12+9x=10+7x

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Solution for 12+9x=10+7x equation: 



12+9x=10+7x

We move all terms to the left:

12+9x-(10+7x)=0

We add all the numbers together, and all the variables

9x-(7x+10)+12=0

We get rid of parentheses

9x-7x-10+12=0

We add all the numbers together, and all the variables

2x+2=0

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

2x=-2

x=-2/2

x=-1

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