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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(3(4x+1)), so:

3(4x+1)

We multiply parentheses

12x+3

Back to the equation:

-(12x+3)



We get rid of parentheses

3x-12x-3+12=0

We add all the numbers together, and all the variables

-9x+9=0

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

-9x=-9

x=-9/-9

x=1

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