7x-(2x-10)=31

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Solution for 7x-(2x-10)=31 equation: 



7x-(2x-10)=31

We move all terms to the left:

7x-(2x-10)-(31)=0

We get rid of parentheses

7x-2x+10-31=0

We add all the numbers together, and all the variables

5x-21=0

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

5x=21

x=21/5

x=4+1/5

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