12x+57=7x-13

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Solution for 12x+57=7x-13 equation: 



12x+57=7x-13

We move all terms to the left:

12x+57-(7x-13)=0

We get rid of parentheses

12x-7x+13+57=0

We add all the numbers together, and all the variables

5x+70=0

We move all terms containing x to the left, all other terms to the right

5x=-70

x=-70/5

x=-14

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