SOLUTION: how to solve this by using substitution
y=2x
x+y=12
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Question 590137: how to solve this by using substitution
y=2x
x+y=12
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
how to solve this by using substitution
y=2x
x+y=12
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Sub 2x for y in the 2nd equation.