3x-9+138=15x-3

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Solution for 3x-9+138=15x-3 equation: 



3x-9+138=15x-3

We move all terms to the left:

3x-9+138-(15x-3)=0

We add all the numbers together, and all the variables

3x-(15x-3)+129=0

We get rid of parentheses

3x-15x+3+129=0

We add all the numbers together, and all the variables

-12x+132=0

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

-12x=-132

x=-132/-12

x=+11

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