4/10=8/a

Simple and best practice solution for 4/10=8/a 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 4/10=8/a equation: 


D( a )

a = 0

a = 0

a = 0

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

4/10 = 8/a // - 8/a

4/10-(8/a) = 0

4/10-8*a^-1 = 0

-8*a^-1 = -2/5 // : -8

a^-1 = 1/20

-1 < 0

1/(a^1) = 1/20 // * a^1

1 = 1/20*a^1 // : 1/20

20 = a^1

a = 20

a = 20

See similar equations:

| 8x+9y=9 | | 4=-3u-(-7)/-8 | | 8+7x=-20 | | 3x+y=300-40 | | 3+5/9+1/4 | | -5-3x=-38 | | 35/9+1/4 | | 11/12-1/5 | | 9x-3=3x+27 | | x/12-3/10=1/10 | | 3/4+4/15 | | 1/4(2x+5)-x=1/2(5x-2) | | -2x-8=-6 | | 5a+7=9 | | -12/-14 | | -14/-12 | | x/15=15/25 | | x-23=-54 | | 3+7x=-11 | | 4c-9d=21 | | sin(2(y^2)-12y+18-2(x^2))=2x^2+y-3 | | y=10-x+3x | | -1/3x=2 | | 7(3q-5)-7q=7(2q-8) | | 3x+7=-7 | | 7(3q-5)-7=7(2q-8) | | 2y-4x=1 | | 7x+7=-77 | | 80=-5(2m-4) | | 3a-1=2 | | x+4/15=x+8/25 | | -6x+9=9 |

Equations solver categories