(12x+12)+(3x+18)=165

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Solution for (12x+12)+(3x+18)=165 equation: 



(12x+12)+(3x+18)=165

We move all terms to the left:

(12x+12)+(3x+18)-(165)=0

We get rid of parentheses

12x+3x+12+18-165=0

We add all the numbers together, and all the variables

15x-135=0

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

15x=135

x=135/15

x=9

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