2x-6+3x+21=21

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Solution for 2x-6+3x+21=21 equation: 



2x-6+3x+21=21

We move all terms to the left:

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

We add all the numbers together, and all the variables

5x-6=0

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

5x=6

x=6/5

x=1+1/5

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