9x-1=7x+89

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Solution for 9x-1=7x+89 equation: 



9x-1=7x+89

We move all terms to the left:

9x-1-(7x+89)=0

We get rid of parentheses

9x-7x-89-1=0

We add all the numbers together, and all the variables

2x-90=0

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

2x=90

x=90/2

x=45

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