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

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



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

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