7+12=-4x

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Solution for 7+12=-4x equation: 



7+12=-4x

We move all terms to the left:

7+12-(-4x)=0

We add all the numbers together, and all the variables

-(-4x)+19=0

We get rid of parentheses

4x+19=0

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

4x=-19

x=-19/4

x=-4+3/4

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