3(3x+5)=6x+21

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Solution for 3(3x+5)=6x+21 equation: 



3(3x+5)=6x+21

We move all terms to the left:

3(3x+5)-(6x+21)=0

We multiply parentheses

9x-(6x+21)+15=0

We get rid of parentheses

9x-6x-21+15=0

We add all the numbers together, and all the variables

3x-6=0

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

3x=6

x=6/3

x=2

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