22=7+2.1/2x

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Solution for 22=7+2.1/2x equation: 



22=7+2.1/2x

We move all terms to the left:

22-(7+2.1/2x)=0



Domain of the equation: 2x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(2.1/2x+7)+22=0

We get rid of parentheses

-2.1/2x-7+22=0

We multiply all the terms by the denominator


-7*2x+22*2x-2.1=0

Wy multiply elements

-14x+44x-2.1=0

We add all the numbers together, and all the variables

30x-2.1=0

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

30x=2.1

x=2.1/30

x=1/14.285714285714

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