21/4=7/4+x

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Solution for 21/4=7/4+x equation: 



21/4=7/4+x

We move all terms to the left:

21/4-(7/4+x)=0



Domain of the equation: 4+x)!=0

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

x)!=-4

x!=-4/1

x!=-4

x∈R



We add all the numbers together, and all the variables

-(+x+7/4)+21/4=0

We get rid of parentheses

-x-7/4+21/4=0

We multiply all the terms by the denominator


-x*4-7+21=0

We add all the numbers together, and all the variables

-x*4+14=0

Wy multiply elements

-4x+14=0

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

-4x=-14

x=-14/-4

x=3+1/2

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