3(x+2)=21-6x

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Solution for 3(x+2)=21-6x equation: 



3(x+2)=21-6x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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

We get rid of parentheses

3x+6x-21+6=0

We add all the numbers together, and all the variables

9x-15=0

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

9x=15

x=15/9

x=1+2/3

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