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How do you solve this equation 7x-3yequals37 and 2x-yequals12 using the Elimination Method?
7x - 3y = 37 2x - y = 12 You can eliminate y by multiplying both sides of equation 2 by minus 3 and then add: 7x - 3y = 37 -6x + 3y = -36 x = 1 substitute x =1 into either equation and solve y 2(1) -y =12 -y = 10 y = -10
How would you solve this using elimination 5x-10y equals 15 3x plus 7y equals 31?
You could multiply the first equation by 3 and the second by -5 and eliminate the x... OR you could multiply the first equation by 7 and the second by 10 and eliminate the y. Either way works.
How many is 150 tens?
We can work this out by using the equation 150x10.1500
What is a if the average of a and -5 is 10?
You can write an equation, using the definition of "average", then solve it. The equation would look like this:"the average of a and -5" is 10 (a - 5) / 2 = 10
What are three ways of solving a system of linear equations?
I'll assume the simplified case of two equations, with two variables each. Some of the methods can be extended to more complicated cases.Substitution: Solve for one variable in one equation, replace it in the other equation.Setting two quantities equal: For example, if 5x + 3y = 10, and 5x - 2y = 0, solve each equation for "5x", and set the two equal, with the result: 10 - 3y = 2y.Addition/subtraction: Add or subtract one equation (or a multiple of one equation) to the other. In the previous example, if you subtract the second equation from the first, you get an equation that doesn't contain x.In any of these cases, after solving for a single variable, replace in one of the original equations to get the other variable.
What is the formula of 10 using by the quadratic equation?
It is x^2 - 20x + 100 = 0.
How do you work out 420 divide 10 using bus stop method?
42
What is the least common multiple of 6 and 10 by using continuous method?
The LCM of 6 and 10 is 30.
How many days can meat be refrigerated using the tumble chill method?
10
What method to use on this equation 5x plus 10-20 and-5x plus y equals 9?
5x = 10 - 20 gives 5x = -10 so that x = -10/5 = -2. Substitute this value in the second equation:-5*-2 + y = 9that is 10 + y = 9so that y = -1
Using quadratic equation volume of cylinder is 140 height is 10?
Using proper grammer make question understandable is yes?
How do you write a quadratic equation using only solutions 10 and -2?
12
