5/3=21/x

Simple and best practice solution for 5/3=21/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 5/3=21/x equation: 


D( x )

x = 0

x = 0

x = 0

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

5/3 = 21/x // - 21/x

5/3-(21/x) = 0

5/3-21*x^-1 = 0

-21*x^-1 = -5/3 // : -21

x^-1 = 5/63

-1 < 0

1/(x^1) = 5/63 // * x^1

1 = 5/63*x^1 // : 5/63

63/5 = x^1

x = 63/5

x = 63/5

See similar equations:

| -8(v-100)=8 | | 4-5a=7-3a | | 3/5x10/13 | | 3(s-5)+1=10 | | 3(3x)=45 | | 2(k+2)+1=9 | | (4x+1)-(x-8)=0 | | 0=-3(p-8) | | [X-3][x+7]=0 | | -(q-4)+1=3 | | 6=5p+1 | | x+3=3y-3 | | 13+6z=-11 | | 3e+11=9e-7 | | 5y+3=4y-9 | | 10+3b=19 | | 0.81X^4-0.45x^2-0.19=0 | | 12=4(h-18)+4 | | 12=3(b-11) | | 2.75X=1175+2400 | | 1=3-6 | | 1x-x=20 | | 4x-10=10x-76 | | 33x+3y=-12 | | 24+y=4y | | 5x+11=59-9x | | 5a+9=2a-6 | | 2u=63-7u | | 0.5t^2+2t-150=0 | | 12w=42+5w | | 4x+7=-17+-8x | | 9w=12+6w |

Equations solver categories