6x+3(x-8)=21

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Solution for 6x+3(x-8)=21 equation:



6x+3(x-8)=21
We move all terms to the left:
6x+3(x-8)-(21)=0
We multiply parentheses
6x+3x-24-21=0
We add all the numbers together, and all the variables
9x-45=0
We move all terms containing x to the left, all other terms to the right
9x=45
x=45/9
x=5

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