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-7(2x-9)+7=-14x+70
We move all terms to the left:
-7(2x-9)+7-(-14x+70)=0
We multiply parentheses
-14x-(-14x+70)+63+7=0
We get rid of parentheses
-14x+14x-70+63+7=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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