7-0.75x=-7(3/28x+1

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Solution for 7-0.75x=-7(3/28x+1 equation: 



7-0.75x=-7(3/28x+1

We move all terms to the left:

7-0.75x-(-7(3/28x+1)=0



Domain of the equation: 28x+1)+7!=0

x∈R



We multiply all the terms by the denominator


-(0.75x)*28x+1)+7-(-7(3=0

We add all the numbers together, and all the variables

-(+0.75x)*28x+1)+7-(-7(3=0

We add all the numbers together, and all the variables

-(+0.75x)*28x=0

We multiply parentheses

-0x^2=0

We add all the numbers together, and all the variables

-1x^2=0

a = -1; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-1)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

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

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