Olivia53891 Olivia53891

18-12-2017
Mathematics

contestada

Solve by using Substitution
-8x-8y=-24
-4x+y=0

-7x+y=-20
4x-y=11

21x-3y=-3
-7x+y=-3

y=-5
3x-4y=2

Thanks for the help!

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lilvin2010p0v7e8 lilvin2010p0v7e8

18-12-2017

the answer is d) that is the answer .

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