3x+12=2(x+12)-3

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Solution for 3x+12=2(x+12)-3 equation: 



3x+12=2(x+12)-3

We move all terms to the left:

3x+12-(2(x+12)-3)=0



We calculate terms in parentheses: -(2(x+12)-3), so:

2(x+12)-3

We multiply parentheses

2x+24-3

We add all the numbers together, and all the variables

2x+21

Back to the equation:

-(2x+21)



We get rid of parentheses

3x-2x-21+12=0

We add all the numbers together, and all the variables

x-9=0

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

x=9

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