2x+9=7x-99

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Solution for 2x+9=7x-99 equation: 



2x+9=7x-99

We move all terms to the left:

2x+9-(7x-99)=0

We get rid of parentheses

2x-7x+99+9=0

We add all the numbers together, and all the variables

-5x+108=0

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

-5x=-108

x=-108/-5

x=21+3/5

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