-3x+9=20-4x

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



-3x+9=20-4x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

x-11=0

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

x=11

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