Which ordered pair is the solution to the system? x+5y=−3 2x+7y=3 A.(12, −3) B.(−13, 2) C.(−2, 1) D.(22, −5)

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asked Apr 27, 2017 65.6k views

1 Answer

James Legan · Answer 1 · 2017-05-03T10:22:26+0000

For this one you want to cancel out the x-terms.
Multiply top equation by -2

---> -2x -10y = 6
---> 2x +7y = 3

Add them together

---> -3y = 9

Solve for y ...

Which ordered pair is the solution to the system? x+5y=−3 2x+7y=3 A.(12, −3) B.(−13, 2) C.(−2, 1) D.(22, −5)

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