3(x+4)=-x-3

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



3(x+4)=-x-3

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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

We get rid of parentheses

3x+1x+3+12=0

We add all the numbers together, and all the variables

4x+15=0

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

4x=-15

x=-15/4

x=-3+3/4

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