X/8=x-21

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Solution for X/8=x-21 equation: 



X/8=X-21

We move all terms to the left:

X/8-(X-21)=0

We get rid of parentheses

X/8-X+21=0

We multiply all the terms by the denominator


X-X*8+21*8=0

We add all the numbers together, and all the variables

X-X*8+168=0

Wy multiply elements

X-8X+168=0

We add all the numbers together, and all the variables

-7X+168=0

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

-7X=-168

X=-168/-7

X=+24

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