5x+7=7x-15

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Solution for 5x+7=7x-15 equation: 



5x+7=7x-15

We move all terms to the left:

5x+7-(7x-15)=0

We get rid of parentheses

5x-7x+15+7=0

We add all the numbers together, and all the variables

-2x+22=0

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

-2x=-22

x=-22/-2

x=+11

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