Question

Solve each problem using elimination
-7x-y=-27
-14x+10y=18

Answer 1

y=6 x=3

Explanation:

−2(−7x−y=−27)

1(−14x+10y=18)

14x+2y=54

−14x+10y=18

12y=72

y=6

−7x−y=−27

−7x−6=−27

−7x=−21

x=3