6(x+2)=21

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



6(x+2)=21

We move all terms to the left:

6(x+2)-(21)=0

We multiply parentheses

6x+12-21=0

We add all the numbers together, and all the variables

6x-9=0

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

6x=9

x=9/6

x=1+1/2

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