X-7=3x-20

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Solution for X-7=3x-20 equation: 



X-7=3X-20

We move all terms to the left:

X-7-(3X-20)=0

We get rid of parentheses

X-3X+20-7=0

We add all the numbers together, and all the variables

-2X+13=0

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

-2X=-13

X=-13/-2

X=6+1/2

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