21-0.25x=7

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Solution for 21-0.25x=7 equation: 



21-0.25x=7

We move all terms to the left:

21-0.25x-(7)=0

We add all the numbers together, and all the variables

-0.25x+14=0

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

-0.25x=-14

x=-14/-0.25

x=+56

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