12+5x=3+7x

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Solution for 12+5x=3+7x equation: 



12+5x=3+7x

We move all terms to the left:

12+5x-(3+7x)=0

We add all the numbers together, and all the variables

5x-(7x+3)+12=0

We get rid of parentheses

5x-7x-3+12=0

We add all the numbers together, and all the variables

-2x+9=0

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

-2x=-9

x=-9/-2

x=4+1/2

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