21=3/5u

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



21=3/5u

We move all terms to the left:

21-(3/5u)=0



Domain of the equation: 5u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+3/5u)+21=0

We get rid of parentheses

-3/5u+21=0

We multiply all the terms by the denominator


21*5u-3=0

Wy multiply elements

105u-3=0

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

105u=3

u=3/105

u=1/35

See similar equations:

| 2/3m-1/3=3/24 | | y/5=17/3 | | E^x=12 | | |-3y|=12 | | x2=6x-4 | | .5m-4=16 | | 6^-9y=5 | | T-3/2+t+3/4=8-t/3 | | 5(v-5)=8v-19 | | -77/6+1/3b=-6(b+11/3) | | 15/4x+1/2(1/2x-17/6)=-3/4x-205/24 | | x*2*3.14=439.6 | | 32/28=x/7 | | 5/a-3=4/a+6 | | 3x+2×3x=18 | | x7=1057 | | 3x^2+13x-83=0 | | −2×8/3=x | | 2x-9x=9x+2x | | (18−6x)+(36+4x)=12−(4x−18) | | 2x+5x=99 | | -8(3+8x)=-24-3x | | 5x+52=2x-13 | | 4x=4.28 | | 5/a-3=4/a=6 | | -4(v+1)=-32 | | 7x+52=1 | | 206=6+8(1+6x) | | 1/3r-29/6=r-1/2-2 | | -(v+1)=-32 | | 3(3-4k)+4(1+3k)=13 | | 5/6y-4=1/6y |

Equations solver categories