21-3/4=x

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Solution for 21-3/4=x equation: 



21-3/4=x

We move all terms to the left:

21-3/4-(x)=0

We add all the numbers together, and all the variables

-1x+21-3/4=0

We multiply all the terms by the denominator


-1x*4-3+21*4=0

We add all the numbers together, and all the variables

-1x*4+81=0

Wy multiply elements

-4x+81=0

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

-4x=-81

x=-81/-4

x=20+1/4

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