-4x-3+9x=12

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



-4x-3+9x=12

We move all terms to the left:

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

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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