(3x+12)+7=7

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Solution for (3x+12)+7=7 equation: 



(3x+12)+7=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

(3x+12)=0

We get rid of parentheses

3x+12=0

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

3x=-12

x=-12/3

x=-4

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