SOLUTION: Use substitution and elimination? 2x+y=-4 x=y+7

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Question 371736: Use substitution and elimination?
2x+y=-4
x=y+7
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Put the bottom eqn. into the top eqn.: 2(y+7) +y = -4,
2y+14+y = -4,
3y = -18,
y = -6,
x = -6+7 = 1