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

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



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

We move all terms to the left:

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

We get rid of parentheses

3x-3xx-4+12=0

We add all the numbers together, and all the variables

3x-3xx+8=0

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

3x-3xx=-8

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