12=7-2x

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Solution for 12=7-2x equation: 



12=7-2x

We move all terms to the left:

12-(7-2x)=0

We add all the numbers together, and all the variables

-(-2x+7)+12=0

We get rid of parentheses

2x-7+12=0

We add all the numbers together, and all the variables

2x+5=0

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

2x=-5

x=-5/2

x=-2+1/2

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