5/20=7/x

Simple and best practice solution for 5/20=7/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 5/20=7/x equation: 


D( x )

x = 0

x = 0

x = 0

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

5/20 = 7/x // - 7/x

5/20-(7/x) = 0

5/20-7*x^-1 = 0

-7*x^-1 = -1/4 // : -7

x^-1 = 1/28

-1 < 0

1/(x^1) = 1/28 // * x^1

1 = 1/28*x^1 // : 1/28

28 = x^1

x = 28

x = 28

See similar equations:

| 2y+7-4+3y= | | -9n=-81 | | 2b-12=4b-8 | | (33+3x)2=114 | | x+x+2=w | | 12+19x=145 | | 9x-5x=-16 | | 3x-1+4x-4+x+5=180 | | 189=-8(1-5x)-3 | | 15*c=300 | | 3m+3m+m+m=m | | -5x-4(x+15)=-168 | | 10c+12=21 | | -4(4y+2)-11=-8(y+5)+4y | | 12+19x=245 | | 4(4-t)-(2-2t)=11 | | 15+c=300 | | 1+8a=-2(1-a)+6a | | 180=3x-1+4x-4+x+5 | | 4x+45=7x | | 4i/7-4i | | -43+8x-3x=27 | | x+x+2=25 | | 5y+2=58-2y | | 250(b+7)=5250 | | x*x+2=25 | | x+5=3x-1+4x-4 | | -37y-69=y+99 | | 3z+8=12+3-z | | 3=3-6t-7t | | -9v-12=8-4v | | -8-n=-25 |

Equations solver categories