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x+y=5

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Q: Solve the equation by substitution method x-y equals 5?
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Related questions

How can you solve a linear equation?

by elimination,substitution or through the matrix method.


What 4x y14 and 2x y8 solve using substitution?

You cant solve it unless it is an equation. To be an equation it must have an equals sign.


Solve using substitution x minus y equals 2 and x plus y equals -4?

-2


7x - 5y equals 76 4x plus y equals 55?

To solve this system of equations, we can use the method of substitution or elimination. Let's use the substitution method. From the second equation, we can express y as y = 55 - 4x. Substitute this expression for y in the first equation: 7x - 5(55 - 4x) = 76. Simplify this equation to solve for x. Then, substitute the value of x back into one of the original equations to find the value of y.


When solving by the substitution method what happens when one variable cancels out?

That's exactly the purpose of the substitution method ... to get an equation with one less variable. When you have it, you solve it for the variable that's left.


Solve using substitution x plus y equals 3 and y equals 9?

Since the second equation is already solved for "y", you can replace "y" by "9" in the other equation. Then solve the new equation for "x".


How would use solve the system of equation x plus 3y equals 23 by using substitution?

You'd need another equation to sub in


If Using substitution method to solve the equation y equals 8x plus 3 and y equals 7?

This is not Calculus.y=7(Already solved)substiute y=7 into y=8xtherefore 7 = 8xtherefore x = 7/8


What is the disadvantage of using the substitution method in solving linear equations rather than the graph method?

There are no disadvantages. There are three main ways to solve linear equations which are: substitution, graphing, and elimination. The method that is most appropriate can be found by looking at the equation.


What does GUESS stand for when using the guess method?

G-Given U-Unknown E-Equation S-Substitution S-Solve


Who Invented the Substitution Method?

The substitution method in mathematics is a technique used to solve systems of equations by isolating one variable and substituting it into the other equation. The method is not attributed to a single inventor, as it has been used by mathematicians for centuries. The concept of substitution in algebra can be traced back to ancient civilizations such as the Babylonians and Greeks, who used similar methods to solve mathematical problems.


-3x-y equals 3 and -3x-5y equals -21 please help me solve the above equation through the substitution method.?

-3x = 3 + y 3 + y - 5y = -21 -4y = -24 y = 6 x = -3