12-9x=15-10x

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Solution for 12-9x=15-10x equation: 



12-9x=15-10x

We move all terms to the left:

12-9x-(15-10x)=0

We add all the numbers together, and all the variables

-9x-(-10x+15)+12=0

We get rid of parentheses

-9x+10x-15+12=0

We add all the numbers together, and all the variables

x-3=0

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

x=3

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