9-12r=99

Simple and best practice solution for 9-12r=99 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 9-12r=99 equation: 



9-12r=99

We move all terms to the left:

9-12r-(99)=0

We add all the numbers together, and all the variables

-12r-90=0

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

-12r=90

r=90/-12

r=-7+1/2

See similar equations:

| 20=0.25x+0.75(20-0.25x/0.75) | | 20=0.25x+0.75(20-0.25x/0.75 | | X+x.06=1.06 | | x=-1/2+5/2 | | 2x÷3x-11=5 | | 5x-3=4x14 | | 0.5x-x=8 | | (9x+3)=(11x-25) | | 6x–9–2(1-x)=x+9 | | 1.5=60*x-10 | | 5=(10x+15)/(5x-2) | | 3(x-18)=10+x | | 15(y^2)-4y-4=0 | | (p+2÷3=5, | | 2x/3x-13=5 | | 2x-6+x10=30 | | p²+2p=48=0 | | 18×/7=14-x | | 5(x)=x+12 | | 1x+1=12x | | 2m²+5m=3 | | 3^(3x-1)=243 | | (x-154)-711=246 | | 4+3(p–2)=28 | | p2÷3=5 | | -12•2=x | | a^2-75=0 | | 4d²+9=12d | | X=151x=159 | | X-156x=4 | | 12–4m=4 | | x/180=0.4 |

Equations solver categories