3x+-50=7x+80

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Solution for 3x+-50=7x+80 equation: 



3x+-50=7x+80

We move all terms to the left:

3x+-50-(7x+80)=0

We add all the numbers together, and all the variables

3x-(7x+80)=0

We get rid of parentheses

3x-7x-80=0

We add all the numbers together, and all the variables

-4x-80=0

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

-4x=80

x=80/-4

x=-20

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