7x-7=2(3x+7)

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Solution for 7x-7=2(3x+7) equation:



7x-7=2(3x+7)
We move all terms to the left:
7x-7-(2(3x+7))=0
We calculate terms in parentheses: -(2(3x+7)), so:
2(3x+7)
We multiply parentheses
6x+14
Back to the equation:
-(6x+14)
We get rid of parentheses
7x-6x-14-7=0
We add all the numbers together, and all the variables
x-21=0
We move all terms containing x to the left, all other terms to the right
x=21

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