Which of the following steps would you perform to the system of equations below so that the equations have opposite y-coefficients?
4x+2y=4
12x-y=26

A. Multiply both sides of the top equation by 2
B. Divide both sides of the bottom equation by 3
C. Divide both sides of the top equation by 3
D. Multiply both sides of the bottom equation by 2

Respuesta :

The answer is D. you would multiply bottom equation by 2 so that it would be -2Y vs +2Y :)

The steps that would perform to the system of equations are option is Choice D; Multiply both sides of the bottom equation by 2.

What is a system of equations?

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

The given system of equations are;

4x + 2y = 4

12x - y = 26

We need to find the steps that would perform to the system of equations below so that the equations have opposite y-coefficients.

The y coefficient of the first equation is 2.

For the other equation that y coefficient is -1.

We need these coefficients to be equal but opposite. One way to do this is to double everything in the bottom equation.

The bottom equation 12x-y = 26 doubles to 24x - 2y = 52

At this point we have the equivalent system of equation and we can see that we have equal but opposite y coefficients (2 and -2).

The y terms add to 0 since 2y + (-2y) = 0y = 0 meaning we've eliminated y.

therefore, the correct option is Choice D; Multiply both sides of the bottom equation by 2.

Learn more about equations here;

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