129+(7x-12)=180

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Solution for 129+(7x-12)=180 equation: 



129+(7x-12)=180

We move all terms to the left:

129+(7x-12)-(180)=0

We add all the numbers together, and all the variables

(7x-12)-51=0

We get rid of parentheses

7x-12-51=0

We add all the numbers together, and all the variables

7x-63=0

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

7x=63

x=63/7

x=9

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