21/x=-4

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



21/x=-4

We move all terms to the left:

21/x-(-4)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

21/x+4=0

We multiply all the terms by the denominator


4*x+21=0

We add all the numbers together, and all the variables

4x+21=0

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

4x=-21

x=-21/4

x=-5+1/4

See similar equations:

| x/53000=0.2 | | 5(w-6)=-2w-2 | | 15f+3=18f | | b/4=6/5 | | 6-6x=5x9x-2 | | -3x+13=-18x-16 | | 6x^2-18x-24=216 | | m-8=2+9m-1 | | d+12/4=4 | | 8x-27=5x-9 | | 2x+42=-24 | | |4x|=13.6 | | 20+0.15m=30+.10m | | 3-k=-16 | | 5n+1=5n-+ | | 3x+5+2x=4(3+x) | | -9=4+q | | 2+2×-5=5(x+3) | | n^2+5=-6 | | n-3n=3+4-4n | | -4y-9y-4=9 | | 32x-5=32x+56 | | 11x+13x+1=73 | | 5n-4=n+36 | | 9x-1/2=5x+4 | | 5x+10=8x+16 | | 3/7=x/7 | | 4x+2(x+3)=48 | | 3(2x+1)=5x-20 | | 3p+2=-13 | | 2x^2+16x+11=0 | | n-3n=314-4n |

Equations solver categories