(21x-12)+8x=180

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Solution for (21x-12)+8x=180 equation: 



(21x-12)+8x=180

We move all terms to the left:

(21x-12)+8x-(180)=0

We add all the numbers together, and all the variables

8x+(21x-12)-180=0

We get rid of parentheses

8x+21x-12-180=0

We add all the numbers together, and all the variables

29x-192=0

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

29x=192

x=192/29

x=6+18/29

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