how do i solve 5x-8y=-17 3x=5+y

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1 Answer

5x-8y=-17, 3x=5+y, so y=3x-5, substitute for y in the first equation:

5x-8(3x-5)=-17,

5x-24x+40=-17,

-19x=-17-40=-57,

19x=57, x=57/19=3.

So y=3x-5=9-5=4.

Answer: x=3, y=4.

by Top Rated User (1.2m points)

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