12x+55=7x+125

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Solution for 12x+55=7x+125 equation: 



12x+55=7x+125

We move all terms to the left:

12x+55-(7x+125)=0

We get rid of parentheses

12x-7x-125+55=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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