3(x+6)=2x+21

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Solution for 3(x+6)=2x+21 equation: 



3(x+6)=2x+21

We move all terms to the left:

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

We multiply parentheses

3x-(2x+21)+18=0

We get rid of parentheses

3x-2x-21+18=0

We add all the numbers together, and all the variables

x-3=0

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

x=3

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