3(2x+2)=3x+21

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



3(2x+2)=3x+21
We move all terms to the left:
3(2x+2)-(3x+21)=0
We multiply parentheses
6x-(3x+21)+6=0
We get rid of parentheses
6x-3x-21+6=0
We add all the numbers together, and all the variables
3x-15=0
We move all terms containing x to the left, all other terms to the right
3x=15
x=15/3
x=5

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