3(2x+8)=21

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Solution for 3(2x+8)=21 equation: 



3(2x+8)=21

We move all terms to the left:

3(2x+8)-(21)=0

We multiply parentheses

6x+24-21=0

We add all the numbers together, and all the variables

6x+3=0

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

6x=-3

x=-3/6

x=-1/2

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