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In order to solve the following system of equations by elimination, which process creates opposite coefficients to eliminate the y variable?

2x + y = 5
x + 4y = −7

A. Multiply the first equation by 4*******

B. Multiply the second equation by 2

C. Multiply the first equation by -4

D. Multiply the second equation by -2

A??? IDK PLZ HELPP

4 answers

I would say either A or C depending on if you add or subtract the resulting equations. If your text adds, then C
I am going with A!
it said " .... creates opposite coefficients to eliminate the y"
so clearly C
It’s C
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