3+3(x+2)=21

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



3+3(x+2)=21
We move all terms to the left:
3+3(x+2)-(21)=0
We add all the numbers together, and all the variables
3(x+2)-18=0
We multiply parentheses
3x+6-18=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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