6x+21=105

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Solution for 6x+21=105 equation: 



6x+21=105

We move all terms to the left:

6x+21-(105)=0

We add all the numbers together, and all the variables

6x-84=0

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

6x=84

x=84/6

x=14

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