21-u=0

Simple and best practice solution for 21-u=0 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-u=0 equation: 



21-u=0

We add all the numbers together, and all the variables

-1u+21=0

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

-u=-21

u=-21/-1

u=+21

See similar equations:

| 60x=20 | | m=1000(1+.08*5) | | 21x-3=-3x+69 | | 8(x+3)=4+8x | | 9-y=-11+6 | | 5^2+b^2=12^2 | | 16j-1=17j | | -7.2=-7.9x-1.1x | | -6z+20=8z-10-19z | | 9/6-4;a=-18 | | 49x+78=49x+94 | | .002k=2 | | -11-5=8n-7(2+n ) | | (n+8)=+(n−12) | | (2x-1)=3(2x+6) | | -3x+15x-8=19-4x+19 | | 84/z=12 | | 3y+14=53 | | 3=x/2+1 | | x/12-4=23/24 | | -11-5=8n-7(2+n | | -8n+21=-1/3n | | S=1+9-1)/r+3 | | s-2s+3s-4s+5=s+100 | | 3x+16=11x+16 | | -17.33=1-5.9m+3.5 | | 5/6x+1/2=11/2 | | 2(6/n)=3(n+9) | | 4x-48-3x+42=x+72 | | -3=x/2+1 | | -3/4r=-15 | | -16k-12=-12+11k |

Equations solver categories