3x+-9x+6=20-3x+4x

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Solution for 3x+-9x+6=20-3x+4x equation: 



3x+-9x+6=20-3x+4x

We move all terms to the left:

3x+-9x+6-(20-3x+4x)=0

We add all the numbers together, and all the variables

3x-9x-(x+20)+6+=0

We add all the numbers together, and all the variables

-6x-(x+20)=0

We get rid of parentheses

-6x-x-20=0

We add all the numbers together, and all the variables

-7x-20=0

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

-7x=20

x=20/-7

x=-2+6/7

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