(4x-12)+(3x-21)=180

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Solution for (4x-12)+(3x-21)=180 equation: 



(4x-12)+(3x-21)=180

We move all terms to the left:

(4x-12)+(3x-21)-(180)=0

We get rid of parentheses

4x+3x-12-21-180=0

We add all the numbers together, and all the variables

7x-213=0

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

7x=213

x=213/7

x=30+3/7

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