12x+9-3x=15+4x-2

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Solution for 12x+9-3x=15+4x-2 equation: 



12x+9-3x=15+4x-2

We move all terms to the left:

12x+9-3x-(15+4x-2)=0

We add all the numbers together, and all the variables

12x-3x-(4x+13)+9=0

We add all the numbers together, and all the variables

9x-(4x+13)+9=0

We get rid of parentheses

9x-4x-13+9=0

We add all the numbers together, and all the variables

5x-4=0

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

5x=4

x=4/5

x=4/5

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