3x+(4x-20)=180

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Solution for 3x+(4x-20)=180 equation: 



3x+(4x-20)=180

We move all terms to the left:

3x+(4x-20)-(180)=0

We get rid of parentheses

3x+4x-20-180=0

We add all the numbers together, and all the variables

7x-200=0

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

7x=200

x=200/7

x=28+4/7

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