Solve each system of linear equations by elimination. 5x-y=7 4x+8y=-12 Question Solve each system of linear equations by elimination. 5x-y=7 4x+8y=-12 in progress 0 Math Kennedy 6 mins 2021-12-31T01:39:06+00:00 2021-12-31T01:39:06+00:00 1 Answer 0 views 0

## Answers ( )

Answer:Step-by-step explanation:hello :

5x-y=7….(*)

4x+8y=-12…(**)

multiply (*) by 8 : 40x-8y =56 …(***)

add(**) and (***) : 44x = 44 so : x = 1

put this value in (*) : 5(1)-y = 7

y = 5-7 = -2