Substitution method x= -2y 2x+5y=-1

2 answers:

7 0

so if X is -2y then u put that in for x and get -4y and then add 5 to get 9

maw [93]3 years ago

3 0

So you would put -2y in for x. It would become 2 • -2y + 5y = -1

Simplify and the answer is y = -1

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