12x+9+3=3(x+10)

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Solution for 12x+9+3=3(x+10) equation: 



12x+9+3=3(x+10)

We move all terms to the left:

12x+9+3-(3(x+10))=0

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(3(x+10)), so:

3(x+10)

We multiply parentheses

3x+30

Back to the equation:

-(3x+30)



We get rid of parentheses

12x-3x-30+12=0

We add all the numbers together, and all the variables

9x-18=0

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

9x=18

x=18/9

x=2

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