2x-9=7x-129

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Solution for 2x-9=7x-129 equation: 



2x-9=7x-129

We move all terms to the left:

2x-9-(7x-129)=0

We get rid of parentheses

2x-7x+129-9=0

We add all the numbers together, and all the variables

-5x+120=0

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

-5x=-120

x=-120/-5

x=+24

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