3(x+11)=21

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Solution for 3(x+11)=21 equation: 



3(x+11)=21

We move all terms to the left:

3(x+11)-(21)=0

We multiply parentheses

3x+33-21=0

We add all the numbers together, and all the variables

3x+12=0

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

3x=-12

x=-12/3

x=-4

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