100x-x=21

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Solution for 100x-x=21 equation: 



100x-x=21

We move all terms to the left:

100x-x-(21)=0

We add all the numbers together, and all the variables

99x-21=0

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

99x=21

x=21/99

x=7/33

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