-81r=9

Simple and best practice solution for -81r=9 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 -81r=9 equation: 



-81r=9

We move all terms to the left:

-81r-(9)=0

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

-81r=9

r=9/-81

r=-1/9

See similar equations:

| x=12+1/5 | | 02x-32/5=18 | | (X+15)/3=2x+20 | | 215=5+14x | | 3/5x=7/11 | | 600=2(2x-3)+2(x) | | 54=4a+5a | | 36/x+3=12 | | 16/x=1/10 | | 5x=1.25x/25 | | 3z/7+9=-7 | | 2x×x=338 | | 9E-05x2-0.145x=131.63 | | 2.6=13/x | | 3–7x=10–(x+1) | | § 3–7x=10–(x+1) | | (x+4)2=x2+16 | | (x-4)2=x2–8x–16 | | 3x+12=6x-94 | | 16-3x=-30 | | -2r^2+r+7=0 | | 3s^2-2s+5=0 | | 7x²+8x+4=0 | | 7/6=42x | | -0.016x^2+0.5x+4.5=0 | | x+2x+90+105=360 | | 4(z-3)=2z/9+22 | | E=BxLxV | | 12/7k-3/8=19/8 | | E=BxLxB | | (x-3)2=x2–6x+9 | | 2y-23=-17 |

Equations solver categories