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How do you find x and y in system of equations?

Anonymous

∙ 12y ago

Updated: 4/28/2022

The basic idea here is to look at both equations and solve for either x or y in one of the equations. Then plug the known value into the second equation and solve for the other variable.

Wiki User

∙ 12y ago

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What adds to 3 and multiplies to 18?

To find two numbers that add to 3 and multiply to 18, we can set up a system of equations. Let's call the two numbers x and y. We have the equations x + y = 3 and x * y = 18. By solving this system, we can find that the numbers are 1.5 and 12.

What adds to 20 and multiplies to 29?

To find two numbers that add to 20 and multiply to 29, we can set up a system of equations. Let's call the two numbers x and y. We have the following equations: x + y = 20 and x * y = 29. By solving these equations simultaneously, we find that the two numbers are 5 and 15.

Difference is 9 quotient is 2?

To find the two numbers that have a difference of 9 and a quotient of 2, we can set up a system of equations. Let's call the larger number x and the smaller number y. We have the equations x - y = 9 and x / y = 2. By solving these equations simultaneously, we can find that the larger number is 6 and the smaller number is 3.

The equations of two lines are 6x-y equals 4 and y equals 4x plus 2. What is the value of x in the solution for this system of equations?

x=3

Find the two numbers whose sum is 51 and whose difference is 13?

Let's call the two numbers x and y. We can set up a system of equations based on the given information: x + y = 51 and x - y = 13. By solving this system simultaneously, we can find the values of x and y. Adding the two equations together, we get 2x = 64, so x = 32. Substituting x back into the first equation, we find that y = 19. Therefore, the two numbers are 32 and 19.

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Related Questions

Yx-1 y-x 3 find the solution for the system?

y = x - 1 y - x = 3 y = x - 1 y = x + 3 Since both equations represent straight lines that have equal slopes, 1, then the lines are parallel to each other. That is that the lines do not intersect, and the system of the equations does not have a solution.

What is a system of equations that has the answer 7 11?

x + y = 18 x - y = -4

What adds to 3 and multiplies to 18?

To find two numbers that add to 3 and multiply to 18, we can set up a system of equations. Let's call the two numbers x and y. We have the equations x + y = 3 and x * y = 18. By solving this system, we can find that the numbers are 1.5 and 12.

What adds to 20 and multiplies to 29?

To find two numbers that add to 20 and multiply to 29, we can set up a system of equations. Let's call the two numbers x and y. We have the following equations: x + y = 20 and x * y = 29. By solving these equations simultaneously, we find that the two numbers are 5 and 15.

Solve this system of equations using the addition methodx plus y equals 3?

Answer by Hilmarz for a very similar question: When talking about a "system of equations", you would normally expect to have two or more equations. It is quite common to have as many equations as you have variables, so in this case you should have two equations. Pricen2: given that there is no second equation with which to solve the original equation the values of x and y could be any of great number of values. If you knew the value of x then you would use y=3-x to find the value of y If you knew the vlaue of y then you would use x=3-y to find the value of x

Can you provide me with some systems of equations practice problems?

Here are some practice problems for systems of equations: Solve the following system of equations: 2x 3y 10 4x - y 5 Find the solution to the system of equations: 3x 2y 12 x - y 3 Determine the values of x and y that satisfy the system of equations: 5x 4y 20 2x - 3y 1 Hope these help with your practice!

X plus y equals 5 and 2x-y equals 4?

If you are trying to find x and y, the answers are x=3 and y=2. You can use elimination to find the answer. First you cross out the y and -y in the equations and then add the x's and numbers, which will give you 3x=9. You can then solve for x and you will get x=3. To find y, you put 3 into either of the equations for x and solve for y.

Difference is 9 quotient is 2?

To find the two numbers that have a difference of 9 and a quotient of 2, we can set up a system of equations. Let's call the larger number x and the smaller number y. We have the equations x - y = 9 and x / y = 2. By solving these equations simultaneously, we can find that the larger number is 6 and the smaller number is 3.

The solution to the system of equations y equals 2x and y equals -x plus 3 is?

x = 1 and y = 2

What is two numbers with a sum of -1 and a difference of 5?

Let's denote the two numbers as x and y. We know that their sum is -1, so we have the equation x + y = -1. We also know that their difference is 5, so we have the equation x - y = 5. By solving these two equations simultaneously, we can find the values of x and y. Solving the system of equations, we find that x = 2 and y = -3.

How do you find the point that two equations intersect?

If the equations are in y= form, set the two equations equal to each other. Then solve for x. The x value that you get is the x coordinate of the intersection point. To find the y coordinate of the intersection point, plug the x you just got into either equation and simplify so that y= some number. There are other methods of solving a system of equations: matrices, substitution, elimination, and graphing, but the above method is my favorite!

The equations of two lines are 6x-y equals 4 and y equals 4x plus 2. What is the value of x in the solution for this system of equations?

x=3

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