3x+15+6=2x-9+2x

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Solution for 3x+15+6=2x-9+2x equation: 



3x+15+6=2x-9+2x

We move all terms to the left:

3x+15+6-(2x-9+2x)=0

We add all the numbers together, and all the variables

3x-(4x-9)+15+6=0

We add all the numbers together, and all the variables

3x-(4x-9)+21=0

We get rid of parentheses

3x-4x+9+21=0

We add all the numbers together, and all the variables

-1x+30=0

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

-x=-30

x=-30/-1

x=+30

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