9x-9=4x+20

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Solution for 9x-9=4x+20 equation: 



9x-9=4x+20

We move all terms to the left:

9x-9-(4x+20)=0

We get rid of parentheses

9x-4x-20-9=0

We add all the numbers together, and all the variables

5x-29=0

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

5x=29

x=29/5

x=5+4/5

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