10x+9=12x-3

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Solution for 10x+9=12x-3 equation: 



10x+9=12x-3

We move all terms to the left:

10x+9-(12x-3)=0

We get rid of parentheses

10x-12x+3+9=0

We add all the numbers together, and all the variables

-2x+12=0

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

-2x=-12

x=-12/-2

x=+6

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