3x=(2x-30)-130

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Solution for 3x=(2x-30)-130 equation: 



3x=(2x-30)-130

We move all terms to the left:

3x-((2x-30)-130)=0



We calculate terms in parentheses: -((2x-30)-130), so:

(2x-30)-130

We get rid of parentheses

2x-30-130

We add all the numbers together, and all the variables

2x-160

Back to the equation:

-(2x-160)



We get rid of parentheses

3x-2x+160=0

We add all the numbers together, and all the variables

x+160=0

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

x=-160

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