3x+(2x+1)+21=180

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Solution for 3x+(2x+1)+21=180 equation: 



3x+(2x+1)+21=180

We move all terms to the left:

3x+(2x+1)+21-(180)=0

We add all the numbers together, and all the variables

3x+(2x+1)-159=0

We get rid of parentheses

3x+2x+1-159=0

We add all the numbers together, and all the variables

5x-158=0

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

5x=158

x=158/5

x=31+3/5

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