1/2x-3=1/5x

Simple and best practice solution for 1/2x-3=1/5x 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 1/2x-3=1/5x equation:



1/2x-3=1/5x
We move all terms to the left:
1/2x-3-(1/5x)=0
Domain of the equation: 2x!=0
x!=0/2
x!=0
x∈R
Domain of the equation: 5x)!=0
x!=0/1
x!=0
x∈R
We add all the numbers together, and all the variables
1/2x-(+1/5x)-3=0
We get rid of parentheses
1/2x-1/5x-3=0
We calculate fractions
5x/10x^2+(-2x)/10x^2-3=0
We multiply all the terms by the denominator
5x+(-2x)-3*10x^2=0
Wy multiply elements
-30x^2+5x+(-2x)=0
We get rid of parentheses
-30x^2+5x-2x=0
We add all the numbers together, and all the variables
-30x^2+3x=0
a = -30; b = 3; c = 0;
Δ = b2-4ac
Δ = 32-4·(-30)·0
Δ = 9
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{9}=3$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(3)-3}{2*-30}=\frac{-6}{-60} =1/10 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(3)+3}{2*-30}=\frac{0}{-60} =0 $

See similar equations:

| r+2/4=3 | | -31=9+8x | | 10m²-13m-3=(2m-3)(5m+1) | | -30=12+7c | | 10m²-13m-3= | | x/10+5=2 | | (3×-2y)+(5×+2y)=0 | | x^+12=10x | | 3x^2-46x+240=0 | | 49+x=90 | | 28-x=20+23x=1 | | 0=-8m+6 | | -3w+6=8w=9-2w | | -9=-3(w-11) | | x^-2x=5 | | 5-1/t=4/t^2 | | 7=14-s | | c+5/2=-1 | | 30x=65x | | 8u-32=-2u+48 | | -13x-7x+-10=8 | | 5x-3(x-4)=-6+5x-6 | | 10-1/t-9/t^2=0 | | -30-104=-14x+127 | | -4-2(x+4)=10 | | 5y/6+1/6=1/6 | | x-2/7=-1 | | 2x+39=390 | | 6+12x=20x-10 | | 2(3k-1)=5(k-2) | | r/1=-5 | | 10y+105=y |

Equations solver categories