7x+31=2x+13

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Solution for 7x+31=2x+13 equation: 



7x+31=2x+13

We move all terms to the left:

7x+31-(2x+13)=0

We get rid of parentheses

7x-2x-13+31=0

We add all the numbers together, and all the variables

5x+18=0

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

5x=-18

x=-18/5

x=-3+3/5

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