6+3(2x+-1)=3x+12

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Solution for 6+3(2x+-1)=3x+12 equation: 



6+3(2x+-1)=3x+12

We move all terms to the left:

6+3(2x+-1)-(3x+12)=0

We add all the numbers together, and all the variables

3(2x-1)-(3x+12)+6=0

We multiply parentheses

6x-(3x+12)-3+6=0

We get rid of parentheses

6x-3x-12-3+6=0

We add all the numbers together, and all the variables

3x-9=0

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

3x=9

x=9/3

x=3

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