12x-15=6+9

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Solution for 12x-15=6+9 equation: 



12x-15=6+9

We move all terms to the left:

12x-15-(6+9)=0

We add all the numbers together, and all the variables

12x-15-15=0

We add all the numbers together, and all the variables

12x-30=0

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

12x=30

x=30/12

x=2+1/2

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