6x+8=2x+21

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Solution for 6x+8=2x+21 equation: 



6x+8=2x+21

We move all terms to the left:

6x+8-(2x+21)=0

We get rid of parentheses

6x-2x-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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