2x-13=7+x

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



2x-13=7+x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x-x-7-13=0

We add all the numbers together, and all the variables

x-20=0

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

x=20

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