-21=-4/n

Simple and best practice solution for -21=-4/n 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=-4/n equation: 



-21=-4/n

We move all terms to the left:

-21-(-4/n)=0



Domain of the equation: n)!=0

n!=0/1

n!=0

n∈R



We get rid of parentheses

4/n-21=0

We multiply all the terms by the denominator


-21*n+4=0

We add all the numbers together, and all the variables

-21n+4=0

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

-21n=-4

n=-4/-21

n=4/21

See similar equations:

| 2`n=228 | | 5,6-3*(2-0,4x)=0,4*(4x+1) | | 10-10x+2=-5x-18 | | -17-10w=7-6w | | 99797979997=8989898+89j= | | 2(x+2)=64 | | 5y-9-3y+4=0 | | -19=b/16 | | 4x-8=5x- | | 3x-29x+1)=x-7 | | 5x+4-3=2x+1 | | 5(x-3)=5(4x-3) | | -26=9x-6+x | | 4(x+2)=(4x+12) | | x=(-3) | | 2x-5+x+2x-5+x=350 | | -12=x/10 | | 2(x+2)=3/(x+4) | | -4x+x=36 | | 3x+2(x+1)=x+7 | | 8w-3w=15 | | 15.34-28.78x=(19/2.92x)+6.8 | | x=(-2) | | 0=5k^2+12k+7 | | X=6x+1 | | 1+7x=8+4x | | 3(2a-6)=54 | | 7-52=17+5z | | 3x+3=-84 | | 3(2x+10=54 | | 150m-125m+33425=35175-150m | | 2x+12=-2(x-6) |

Equations solver categories