100/5=4/a

Simple and best practice solution for 100/5=4/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 100/5=4/a equation: 



100/5=4/a

We move all terms to the left:

100/5-(4/a)=0



Domain of the equation: a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+4/a)+100/5=0

We add all the numbers together, and all the variables

-(+4/a)+20=0

We get rid of parentheses

-4/a+20=0

We multiply all the terms by the denominator


20*a-4=0

We add all the numbers together, and all the variables

20a-4=0

We move all terms containing a to the left, all other terms to the right

20a=4

a=4/20

a=1/5

See similar equations:

| 1y+42=-2+12 | | -5(5(3w-2)+16(w-8)=-113-8 | | 2=b–8 | | 6(x-1)=-4x+104 | | -1y+42=-2y+12 | | 22^2=5x+2 | | 7x+4=3×-8 | | 22x=5x+2 | | -11=3v-5 | | 11z-4=12z-1 | | 14w=63+7w | | 6+8x(–2)–6x=20 | | -a/10-8=024 | | 5(2x-3)=60x | | 6+8x–2–6x= | | (2.5)^x=5 | | 6+8x–2–6x=20 | | 42+14y=0 | | 10b–3b–5–2=14 | | -1y+42=-2+12 | | 2x=4x+11=3x-24 | | 1/2x+10=-5/2x-2 | | 179=104-u | | 1.5+2.1=1.1y+4.5 | | x+(5x+60)=180 | | 8x-9=12x+11 | | 4.1x-1.3=0.7x=25.9 | | 21=7/4x | | (5)x=(8x-75) | | 3x+18=78° | | 8y2-5y=+11-13y2-5y+5 | | -34+4d=8(7d+6) |

Equations solver categories