3x+(x+66)+(x-12)=180

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Solution for 3x+(x+66)+(x-12)=180 equation: 



3x+(x+66)+(x-12)=180

We move all terms to the left:

3x+(x+66)+(x-12)-(180)=0

We get rid of parentheses

3x+x+x+66-12-180=0

We add all the numbers together, and all the variables

5x-126=0

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

5x=126

x=126/5

x=25+1/5

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