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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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

We get rid of parentheses

-3x-x-12+12-4=0

We add all the numbers together, and all the variables

-4x-4=0

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

-4x=4

x=4/-4

x=-1

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