5/4x+5.4x+0.35x+7x=

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Solution for 5/4x+5.4x+0.35x+7x= equation: 



5/4x+5.4x+0.35x+7x=

We move all terms to the left:

5/4x+5.4x+0.35x+7x-()=0



Domain of the equation: 4x!=0

x!=0/4

x!=0

x∈R



We add all the numbers together, and all the variables

12.75x+5/4x=0

We multiply all the terms by the denominator


(12.75x)*4x+5=0

We add all the numbers together, and all the variables

(+12.75x)*4x+5=0

We multiply parentheses

48x^2+5=0

a = 48; b = 0; c = +5;
Δ = b2-4ac
Δ = 02-4·48·5
Δ = -960
Delta is less than zero, so there is no solution for the equation

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