7x/x-7=10x

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Solution for 7x/x-7=10x equation: 



7x/x-7=10x

We move all terms to the left:

7x/x-7-(10x)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

-10x+7x/x-7=0

We multiply all the terms by the denominator


-10x*x+7x-7*x=0

We add all the numbers together, and all the variables

-10x*x=0

Wy multiply elements

-10x^2=0

a = -10; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-10)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-20}=0$

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