3x+12=-4x-24

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Solution for 3x+12=-4x-24 equation: 



3x+12=-4x-24

We move all terms to the left:

3x+12-(-4x-24)=0

We get rid of parentheses

3x+4x+24+12=0

We add all the numbers together, and all the variables

7x+36=0

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

7x=-36

x=-36/7

x=-5+1/7

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