3(2x+6)=-39+21

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Solution for 3(2x+6)=-39+21 equation:



3(2x+6)=-39+21
We move all terms to the left:
3(2x+6)-(-39+21)=0
We add all the numbers together, and all the variables
3(2x+6)-(-18)=0
We add all the numbers together, and all the variables
3(2x+6)+18=0
We multiply parentheses
6x+18+18=0
We add all the numbers together, and all the variables
6x+36=0
We move all terms containing x to the left, all other terms to the right
6x=-36
x=-36/6
x=-6

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