168-7x=21x

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Solution for 168-7x=21x equation: 



168-7x=21x

We move all terms to the left:

168-7x-(21x)=0

We add all the numbers together, and all the variables

-28x+168=0

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

-28x=-168

x=-168/-28

x=+6

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