SOLUTION: Solve each system by addition 2x = 2

SOLUTION: Solve each system by addition 2x = 2 - y 3x + y = -1 Thanks

Question 178872: Solve each system by addition
2x = 2 - y
3x + y = -1
Thanks
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

Arrange eqns:
, EQN 1
, EQN 2
--->
subst. in EQN 2:

we'll see the graph:

Thank you,
Jojo
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