3(x+4)=(2x)-9

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Solution for 3(x+4)=(2x)-9 equation: 



3(x+4)=(2x)-9

We move all terms to the left:

3(x+4)-((2x)-9)=0

We multiply parentheses

3x-(2x-9)+12=0

We get rid of parentheses

3x-2x+9+12=0

We add all the numbers together, and all the variables

x+21=0

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

x=-21

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