(2x-21)+87=180

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Solution for (2x-21)+87=180 equation: 



(2x-21)+87=180

We move all terms to the left:

(2x-21)+87-(180)=0

We add all the numbers together, and all the variables

(2x-21)-93=0

We get rid of parentheses

2x-21-93=0

We add all the numbers together, and all the variables

2x-114=0

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

2x=114

x=114/2

x=57

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