-9x+12+6x=-123

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Solution for -9x+12+6x=-123 equation: 



-9x+12+6x=-123

We move all terms to the left:

-9x+12+6x-(-123)=0

We add all the numbers together, and all the variables

-3x+135=0

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

-3x=-135

x=-135/-3

x=+45

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