3(4x+1)=-3x-12

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Solution for 3(4x+1)=-3x-12 equation: 



3(4x+1)=-3x-12

We move all terms to the left:

3(4x+1)-(-3x-12)=0

We multiply parentheses

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

We get rid of parentheses

12x+3x+12+3=0

We add all the numbers together, and all the variables

15x+15=0

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

15x=-15

x=-15/15

x=-1

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