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Which equation would you use to form a zero pair and eliminate the y variable from the equation?A. 8x + 8y = 40B. -8x - 8y = -40C. 4x + 4y = 20D. -4x - 4y = -20

Which equation would you use to form a zero pair and eliminate the y variable from the equationA 8x 8y 40B 8x 8y 40C 4x 4y 20D 4x 4y 20 class=

Respuesta :

If we want to eliminate the y variable we can multiply the first equation by -4 and get

[tex]-4x-4y=-20[/tex]

then the y variable has opposite coefficients, so we can eliminate it. Therefore, the answer is option D

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