20+1/4x=1/2x

Simple and best practice solution for 20+1/4x=1/2x equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 20+1/4x=1/2x equation:



20+1/4x=1/2x
We move all terms to the left:
20+1/4x-(1/2x)=0
Domain of the equation: 4x!=0
x!=0/4
x!=0
x∈R
Domain of the equation: 2x)!=0
x!=0/1
x!=0
x∈R
We add all the numbers together, and all the variables
1/4x-(+1/2x)+20=0
We get rid of parentheses
1/4x-1/2x+20=0
We calculate fractions
2x/8x^2+(-4x)/8x^2+20=0
We multiply all the terms by the denominator
2x+(-4x)+20*8x^2=0
Wy multiply elements
160x^2+2x+(-4x)=0
We get rid of parentheses
160x^2+2x-4x=0
We add all the numbers together, and all the variables
160x^2-2x=0
a = 160; b = -2; c = 0;
Δ = b2-4ac
Δ = -22-4·160·0
Δ = 4
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{4}=2$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-2)-2}{2*160}=\frac{0}{320} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-2)+2}{2*160}=\frac{4}{320} =1/80 $

See similar equations:

| (w-2)=-8 | | -1=24+b | | 3=3x+12+5x | | 20+1/2x=1/4x | | .2x+x=50 | | .2x-x=50 | | -2(1-9x)=34 | | 0.75n+1-0.25n=(-100) | | 7x+5=10(x-7) | | 7x-3=186= | | -23=-3(-4x-3)-8(1+x) | | 3x^2+30x=16 | | 900+25x=75x | | (2n-5)(n-4)=0 | | 8m+12=9m | | 10=x^-1.3 | | 2x-6x+3=3-4x | | 4096=2(x) | | 1/8(p+24)=8 | | 4(2m+3)=3(3m) | | (m+330)-13=0.2m | | 4(2d-5)=-56 | | Y⁴-2y+y=0 | | Y+6=17x | | 3x+2/8+5(x-1)/9=4x-1/3-5x-6/11 | | 2n+-5=15 | | 7z-9z=12 | | 4(2m+2)=3(3m) | | 3c+3=30 | | -4a+5=a | | 6-x=1÷ | | 25z=1 |

Equations solver categories