12.5/0.4x=-9.5-4x

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Solution for 12.5/0.4x=-9.5-4x equation: 



12.5/0.4x=-9.5-4x

We move all terms to the left:

12.5/0.4x-(-9.5-4x)=0



Domain of the equation: 0.4x!=0

x!=0/0.4

x!=0

x∈R



We add all the numbers together, and all the variables

12.5/0.4x-(-4x-9.5)=0

We get rid of parentheses

12.5/0.4x+4x+9.5=0

We multiply all the terms by the denominator


4x*0.4x+(9.5)*0.4x+12.5=0

We multiply parentheses

4x*0.4x+0x+12.5=0

Wy multiply elements

0x^2+0x+12.5=0

We add all the numbers together, and all the variables

x^2+x+12.5=0

a = 1; b = 1; c = +12.5;
Δ = b2-4ac
Δ = 12-4·1·12.5
Δ = -49
Delta is less than zero, so there is no solution for the equation

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