4-2m=8+2/m

Solution for 4-2m=8+2/m equation:

4-2m=8+2/m

We move all terms to the left:

4-2m-(8+2/m)=0


Domain of the equation: m)!=0

m!=0/1

m!=0

m∈R


We add all the numbers together, and all the variables

-2m-(2/m+8)+4=0

We get rid of parentheses

-2m-2/m-8+4=0

We multiply all the terms by the denominator


-2m*m-8*m+4*m-2=0

We add all the numbers together, and all the variables

-4m-2m*m-2=0

Wy multiply elements

-2m^2-4m-2=0

a = -2; b = -4; c = -2;
Δ = b2-4ac
Δ = -42-4·(-2)·(-2)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$m=\frac{-b}{2a}=\frac{4}{-4}=-1$