1/7-3/x

Simple and best practice solution for 1/7-3/x 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 1/7-3/x equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

1/7-(3/x) = 0

1/7-3*x^-1 = 0

-3*x^-1 = -1/7 // : -3

x^-1 = 1/21

-1 < 0

1/(x^1) = 1/21 // * x^1

1 = 1/21*x^1 // : 1/21

21 = x^1

x = 21

x = 21

See similar equations:

| 2x+(5x+4)=18 | | t-8=3 | | 2k+24=2x | | -15-2=-2x-29 | | 6(5a+4)-7= | | 3x^2+4=20 | | 14w=-20w-7(-5w+1) | | -8+8(-18p+7)=8(-17p-11) | | 4a+(3a+3)=10 | | 2b+41=7b-59 | | x*2x^2= | | 10b+9(-3b+8)=-17b | | 2cos(3x)=1.5 | | x^2=13-12x | | 3(x^2+4)=20 | | 11(10-11(y-10))=220 | | 2(-7r+7)+20=14-14r+20 | | 8-2(-7t+5)=3+14t | | 3/4=y-3/10 | | -10-19f-20f=-3(13f-7) | | -2/3-6/7=x | | 4.9n-14.98+11.43=-3.55+4.9n | | -19+x=-5 | | 20h+6+10h=6(8h+1)-18h | | 1/2+4/5=x | | 2y+300-2y=300 | | 2z+1=-9 | | -16+19j+3=-6(-4j+18) | | x*4-9=0 | | 9x^2-4x+7=0 | | p+1=-3(-2) | | 1/2(x-4)^2 |

Equations solver categories