7+12=x.

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Solution for 7+12=x. equation: 



7+12=x.

We move all terms to the left:

7+12-(x.)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-(+x.)+19=0

We get rid of parentheses

-x.+19=0

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

-x.=-19

x=-19/1

x=-19

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