15x+(18x-12)+(10x+20)=180

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Solution for 15x+(18x-12)+(10x+20)=180 equation: 



15x+(18x-12)+(10x+20)=180

We move all terms to the left:

15x+(18x-12)+(10x+20)-(180)=0

We get rid of parentheses

15x+18x+10x-12+20-180=0

We add all the numbers together, and all the variables

43x-172=0

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

43x=172

x=172/43

x=4

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