7x+31=13x+7

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Solution for 7x+31=13x+7 equation: 



7x+31=13x+7

We move all terms to the left:

7x+31-(13x+7)=0

We get rid of parentheses

7x-13x-7+31=0

We add all the numbers together, and all the variables

-6x+24=0

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

-6x=-24

x=-24/-6

x=+4

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