9x+42=2(x-7)

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Solution for 9x+42=2(x-7) equation:



9x+42=2(x-7)
We move all terms to the left:
9x+42-(2(x-7))=0
We calculate terms in parentheses: -(2(x-7)), so:
2(x-7)
We multiply parentheses
2x-14
Back to the equation:
-(2x-14)
We get rid of parentheses
9x-2x+14+42=0
We add all the numbers together, and all the variables
7x+56=0
We move all terms containing x to the left, all other terms to the right
7x=-56
x=-56/7
x=-8

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