2.1x+1/2x=3.2-8.4x

Solution for 2.1x+1/2x=3.2-8.4x equation:

2.1x+1/2x=3.2-8.4x

We move all terms to the left:

2.1x+1/2x-(3.2-8.4x)=0


Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R


We add all the numbers together, and all the variables

2.1x+1/2x-(-8.4x+3.2)=0

We get rid of parentheses

2.1x+1/2x+8.4x-3.2=0

We multiply all the terms by the denominator


(2.1x)*2x+(8.4x)*2x-(3.2)*2x+1=0

We add all the numbers together, and all the variables

(+2.1x)*2x+(+8.4x)*2x-(3.2)*2x+1=0

We multiply parentheses

4x^2+16x^2-6.4x+1=0

We add all the numbers together, and all the variables

20x^2-6.4x+1=0

a = 20; b = -6.4; c = +1;
Δ = b2-4ac
Δ = -6.42-4·20·1
Δ = -39.04
Delta is less than zero, so there is no solution for the equation