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In the following system of equations, by what number would you multiply the entire first equation to be able to eliminate the x term in the second equation?A. 3B. -3C 4D. -4

In the following system of equations by what number would you multiply the entire first equation to be able to eliminate the x term in the second equationA 3B 3 class=

Respuesta :

Given the system of equations:

[tex]\begin{cases}2x+2y=2 \\ 6x+4y=12\end{cases}[/tex]

To eliminate the x term we need to multiply the first equation by a number such that the x term is -6x. This number is -3:

[tex]\begin{cases}-6x-6y=-6 \\ 6x+4y=12\end{cases}[/tex]

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