3-6(x+1)=21

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Solution for 3-6(x+1)=21 equation: 



3-6(x+1)=21

We move all terms to the left:

3-6(x+1)-(21)=0

We add all the numbers together, and all the variables

-6(x+1)-18=0

We multiply parentheses

-6x-6-18=0

We add all the numbers together, and all the variables

-6x-24=0

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

-6x=24

x=24/-6

x=-4

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