(3x+21)+(6x-12)=88

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Solution for (3x+21)+(6x-12)=88 equation: 



(3x+21)+(6x-12)=88

We move all terms to the left:

(3x+21)+(6x-12)-(88)=0

We get rid of parentheses

3x+6x+21-12-88=0

We add all the numbers together, and all the variables

9x-79=0

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

9x=79

x=79/9

x=8+7/9

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