-2x+21=-8x+36

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Solution for -2x+21=-8x+36 equation: 



-2x+21=-8x+36

We move all terms to the left:

-2x+21-(-8x+36)=0

We get rid of parentheses

-2x+8x-36+21=0

We add all the numbers together, and all the variables

6x-15=0

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

6x=15

x=15/6

x=2+1/2

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