4=-12/r

Simple and best practice solution for 4=-12/r 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 4=-12/r equation: 



4=-12/r

We move all terms to the left:

4-(-12/r)=0



Domain of the equation: r)!=0

r!=0/1

r!=0

r∈R



We get rid of parentheses

12/r+4=0

We multiply all the terms by the denominator


4*r+12=0

We add all the numbers together, and all the variables

4r+12=0

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

4r=-12

r=-12/4

r=-3

See similar equations:

| -36+6x=30-5x | | 8x2-36=-x2 | | 145=2x+10+4x-3 | | 2x-5=4x4+5 | | 8x-42=14x | | (6x-2)=(3x+7) | | 35-(x+6)=23 | | 19m-18m=17 | | -x/4=1/7 | | 4n-5=-25+9n | | |2c+8|=-|10c| | | 7x-(6x+8)=2x-45 | | 2x/5+3-4x=1/5 | | 15x^2+x-14=0 | | 3.5c-6=1.7 | | 1-1/(1-5/x)=0 | | 35=22x+3(3x+5) | | 2s+-15s=-13 | | x/2+3=63 | | 3*(x-1)-2*(x+1)=8 | | 3z=2z+16 | | 125m-100m+42975=45000-200m | | 4p^-p=0 | | 2720+x(145.50)=5193.50 | | Y(y-7)(y-9)=0 | | -3,5x=x+9 | | 6x-12+4x=6+8x | | 200+50x=100+80x | | 52=4u-16 | | 272+x(145.50)=5193.50 | | x/2=-12/6 | | 365000=x(x-3) |

Equations solver categories