9+2x=x+13

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Solution for 9+2x=x+13 equation: 



9+2x=x+13

We move all terms to the left:

9+2x-(x+13)=0

We get rid of parentheses

2x-x-13+9=0

We add all the numbers together, and all the variables

x-4=0

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

x=4

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