3x-81=2(4x-80)

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Solution for 3x-81=2(4x-80) equation: 



3x-81=2(4x-80)

We move all terms to the left:

3x-81-(2(4x-80))=0



We calculate terms in parentheses: -(2(4x-80)), so:

2(4x-80)

We multiply parentheses

8x-160

Back to the equation:

-(8x-160)



We get rid of parentheses

3x-8x+160-81=0

We add all the numbers together, and all the variables

-5x+79=0

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

-5x=-79

x=-79/-5

x=15+4/5

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