x+8/2=7/x+3

Solution for x+8/2=7/x+3 equation:

x+8/2=7/x+3

We move all terms to the left:

x+8/2-(7/x+3)=0


Domain of the equation: x+3)!=0

x∈R


We add all the numbers together, and all the variables

x-(7/x+3)+4=0

We get rid of parentheses

x-7/x-3+4=0

We multiply all the terms by the denominator


x*x-3*x+4*x-7=0

We add all the numbers together, and all the variables

x+x*x-7=0

Wy multiply elements

x^2+x-7=0

a = 1; b = 1; c = -7;
Δ = b2-4ac
Δ = 12-4·1·(-7)
Δ = 29
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(1)-\sqrt{29}}{2*1}=\frac{-1-\sqrt{29}}{2}
$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(1)+\sqrt{29}}{2*1}=\frac{-1+\sqrt{29}}{2}
$