2x-81=-5x+129

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Solution for 2x-81=-5x+129 equation: 



2x-81=-5x+129

We move all terms to the left:

2x-81-(-5x+129)=0

We get rid of parentheses

2x+5x-129-81=0

We add all the numbers together, and all the variables

7x-210=0

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

7x=210

x=210/7

x=30

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