1/2x-2=-1/4x+1

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Solution for 1/2x-2=-1/4x+1 equation:



1/2x-2=-1/4x+1
We move all terms to the left:
1/2x-2-(-1/4x+1)=0
Domain of the equation: 2x!=0
x!=0/2
x!=0
x∈R
Domain of the equation: 4x+1)!=0
x∈R
We get rid of parentheses
1/2x+1/4x-1-2=0
We calculate fractions
4x/8x^2+2x/8x^2-1-2=0
We add all the numbers together, and all the variables
4x/8x^2+2x/8x^2-3=0
We multiply all the terms by the denominator
4x+2x-3*8x^2=0
We add all the numbers together, and all the variables
6x-3*8x^2=0
Wy multiply elements
-24x^2+6x=0
a = -24; b = 6; c = 0;
Δ = b2-4ac
Δ = 62-4·(-24)·0
Δ = 36
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{36}=6$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(6)-6}{2*-24}=\frac{-12}{-48} =1/4 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(6)+6}{2*-24}=\frac{0}{-48} =0 $

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