6x+12+9x=84

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Solution for 6x+12+9x=84 equation: 



6x+12+9x=84

We move all terms to the left:

6x+12+9x-(84)=0

We add all the numbers together, and all the variables

15x-72=0

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

15x=72

x=72/15

x=4+4/5

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