SOLUTION: Solve the system by substitution. x= -y + 12 3X - y= 6

Algebra.Com
Question 616549: Solve the system by substitution.
x= -y + 12
3X - y= 6

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Solve the system by substitution.
x= -y + 12
3X - y= 6
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Sub for x in the 2nd equation.

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