(3/10)x-2/5=-1

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Solution for (3/10)x-2/5=-1 equation: 



(3/10)x-2/5=-1

We move all terms to the left:

(3/10)x-2/5-(-1)=0



Domain of the equation: 10)x!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

(+3/10)x-2/5-(-1)=0

We add all the numbers together, and all the variables

(+3/10)x+1-2/5=0

We multiply parentheses

3x^2+1-2/5=0

We multiply all the terms by the denominator


3x^2*5-2+1*5=0

We add all the numbers together, and all the variables

3x^2*5+3=0

Wy multiply elements

15x^2+3=0

a = 15; b = 0; c = +3;
Δ = b2-4ac
Δ = 02-4·15·3
Δ = -180
Delta is less than zero, so there is no solution for the equation

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