12x-18=9x-15+7x

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Solution for 12x-18=9x-15+7x equation: 



12x-18=9x-15+7x

We move all terms to the left:

12x-18-(9x-15+7x)=0

We add all the numbers together, and all the variables

12x-(16x-15)-18=0

We get rid of parentheses

12x-16x+15-18=0

We add all the numbers together, and all the variables

-4x-3=0

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

-4x=3

x=3/-4

x=-3/4

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