3x+15-21=6x-8

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Solution for 3x+15-21=6x-8 equation: 



3x+15-21=6x-8

We move all terms to the left:

3x+15-21-(6x-8)=0

We add all the numbers together, and all the variables

3x-(6x-8)-6=0

We get rid of parentheses

3x-6x+8-6=0

We add all the numbers together, and all the variables

-3x+2=0

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

-3x=-2

x=-2/-3

x=2/3

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