(7x+21)+75=180

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Solution for (7x+21)+75=180 equation: 



(7x+21)+75=180

We move all terms to the left:

(7x+21)+75-(180)=0

We add all the numbers together, and all the variables

(7x+21)-105=0

We get rid of parentheses

7x+21-105=0

We add all the numbers together, and all the variables

7x-84=0

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

7x=84

x=84/7

x=12

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