x+20=3x+13+7x-15

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Solution for x+20=3x+13+7x-15 equation: 



x+20=3x+13+7x-15

We move all terms to the left:

x+20-(3x+13+7x-15)=0

We add all the numbers together, and all the variables

x-(10x-2)+20=0

We get rid of parentheses

x-10x+2+20=0

We add all the numbers together, and all the variables

-9x+22=0

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

-9x=-22

x=-22/-9

x=2+4/9

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