SOLUTION: Solve for x if y=x+-3 and solve for y if y=2x+9

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Question 526432: Solve for x if y=x+-3 and solve for y if y=2x+9
Answer by boilpoil(127) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for x:
2x+9=x+(-3)
2x+9=x-3
x=-12
Solve for y:
2(-12)+9
=-24+9
=-15