51+90+(7x+18)=180

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Solution for 51+90+(7x+18)=180 equation: 



51+90+(7x+18)=180

We move all terms to the left:

51+90+(7x+18)-(180)=0

We add all the numbers together, and all the variables

(7x+18)-39=0

We get rid of parentheses

7x+18-39=0

We add all the numbers together, and all the variables

7x-21=0

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

7x=21

x=21/7

x=3

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