4x+8=21+8x

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Solution for 4x+8=21+8x equation: 



4x+8=21+8x

We move all terms to the left:

4x+8-(21+8x)=0

We add all the numbers together, and all the variables

4x-(8x+21)+8=0

We get rid of parentheses

4x-8x-21+8=0

We add all the numbers together, and all the variables

-4x-13=0

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

-4x=13

x=13/-4

x=-3+1/4

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