7x+12+3x=3(4x+3)+3

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Solution for 7x+12+3x=3(4x+3)+3 equation: 



7x+12+3x=3(4x+3)+3

We move all terms to the left:

7x+12+3x-(3(4x+3)+3)=0

We add all the numbers together, and all the variables

10x-(3(4x+3)+3)+12=0



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

3(4x+3)+3

We multiply parentheses

12x+9+3

We add all the numbers together, and all the variables

12x+12

Back to the equation:

-(12x+12)



We get rid of parentheses

10x-12x-12+12=0

We add all the numbers together, and all the variables

-2x=0

x=0/-2

x=0

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