6x+8=8x+21

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Solution for 6x+8=8x+21 equation: 



6x+8=8x+21

We move all terms to the left:

6x+8-(8x+21)=0

We get rid of parentheses

6x-8x-21+8=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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