21/8-x=1/8

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Solution for 21/8-x=1/8 equation: 



21/8-x=1/8

We move all terms to the left:

21/8-x-(1/8)=0

We add all the numbers together, and all the variables

-x+21/8-(+1/8)=0

We add all the numbers together, and all the variables

-1x+21/8-(+1/8)=0

We get rid of parentheses

-1x+21/8-1/8=0

We multiply all the terms by the denominator


-1x*8+21-1=0

We add all the numbers together, and all the variables

-1x*8+20=0

Wy multiply elements

-8x+20=0

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

-8x=-20

x=-20/-8

x=2+1/2

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