3x+9x-8=16+2x-4

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Solution for 3x+9x-8=16+2x-4 equation: 



3x+9x-8=16+2x-4

We move all terms to the left:

3x+9x-8-(16+2x-4)=0

We add all the numbers together, and all the variables

3x+9x-(2x+12)-8=0

We add all the numbers together, and all the variables

12x-(2x+12)-8=0

We get rid of parentheses

12x-2x-12-8=0

We add all the numbers together, and all the variables

10x-20=0

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

10x=20

x=20/10

x=2

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