9x-(3x+4)+20=20

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Solution for 9x-(3x+4)+20=20 equation: 



9x-(3x+4)+20=20

We move all terms to the left:

9x-(3x+4)+20-(20)=0

We add all the numbers together, and all the variables

9x-(3x+4)=0

We get rid of parentheses

9x-3x-4=0

We add all the numbers together, and all the variables

6x-4=0

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

6x=4

x=4/6

x=2/3

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