7/21=3/c

Simple and best practice solution for 7/21=3/c 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 7/21=3/c equation: 


D( c )

c = 0

c = 0

c = 0

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

7/21 = 3/c // - 3/c

7/21-(3/c) = 0

7/21-3*c^-1 = 0

-3*c^-1 = -1/3 // : -3

c^-1 = 1/9

-1 < 0

1/(c^1) = 1/9 // * c^1

1 = 1/9*c^1 // : 1/9

9 = c^1

c = 9

c = 9

See similar equations:

| 3.85m+312=200-2m | | 36x^2-24x=41 | | 5x^2+3=183 | | 2/10=5/z | | 9p+8=-10 | | 0.325x+10=0.755x+38 | | 5b-2(b-1)= | | 18b/5=360 | | 0.395(0.8)/250=0.789474(x)/500 | | R(p)=-4p^2+800p | | 0.395(0.8)/250 | | 0=.24x^2+1.7x+10.5 | | 54=j+60 | | -5(-13y+50)=6y+20 | | -8m(m+2)-19m= | | 12w+33=-6w-100 | | ((x-15)/9x)/((15-x)/3x⁵) | | 79=8x | | 6(2z-1)-2(z+7)=3(z+1) | | 10/12=d/9 | | 1+1.25x=18-1.25x | | 2x+6=-4+24 | | -6(6x+7)=-42x-48 | | ln(x+4)+lnx=32 | | 8k^2-9k-10=-10 | | 2x^4-2x^3-11x^2-4x+3=0 | | -6x+18=7+4x+9 | | 22-3(2x+5)=7 | | 4/10=26/z | | 13x+-33=14x+-28 | | 16/p=128/40 | | 3(3x+27)=-18 |

Equations solver categories