SOLUTION: The sum of two numbers is -12.one number is 3 more than twice the other

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Question 296357: The sum of two numbers is -12.one number is 3 more than twice the other

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
x+y=-12 or x=y-12
x=2y+3
y-12=2y+3
y-2y=3+12
-y=+15
y=-15 ans.
x=-15-12
x=-27 ans.
Proof:
-27=2*-15+3
-27=-30+3
-27=-27

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