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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

8x-(3(x+4))=0



We calculate terms in parentheses: -(3(x+4)), so:

3(x+4)

We multiply parentheses

3x+12

Back to the equation:

-(3x+12)



We get rid of parentheses

8x-3x-12=0

We add all the numbers together, and all the variables

5x-12=0

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

5x=12

x=12/5

x=2+2/5

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