(08.05) Mindy wants to solve the following system using the elimination method: y = x − 4 y = 2x − 3 What number should the equa tion y = x − 4 be multiplied by to eliminate x? −1 −2 −4 −6
1 answer:
-2 because in the second equation it is : 2x. If you multiply x in the first equation by -2 it will cancel out 2x in the second equation. -2x cancels out 2x. -2x+2x=0
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