42+90+(2x+6)=180

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Solution for 42+90+(2x+6)=180 equation: 



42+90+(2x+6)=180

We move all terms to the left:

42+90+(2x+6)-(180)=0

We add all the numbers together, and all the variables

(2x+6)-48=0

We get rid of parentheses

2x+6-48=0

We add all the numbers together, and all the variables

2x-42=0

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

2x=42

x=42/2

x=21

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