If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3r-9=9
We move all terms to the left:
3r-9-(9)=0
We add all the numbers together, and all the variables
3r-18=0
We move all terms containing r to the left, all other terms to the right
3r=18
r=18/3
r=6
| 10(x+17)-10=80 | | −2=x−4 | | 3z/10+3=8 | | -10+8f=30 | | 3x-5/2/5x=7 | | 12x-2x+58=12x+40 | | 7+30s=9 | | Y=2x-3-x-2+2 | | (-4)+(5)=n | | -4/3u-7/5=7u-4/3 | | x-5=x+13 | | 561-2x=x | | 10=16^2+20t+6 | | 7x+(-2x)+x=49 | | -295=-7-8(6+6p) | | Y=4x+2-x=-1+x=3 | | 8r-5r=15 | | g=g+2 | | 38=2a+54. | | -6(1-6x)=-2(x-3) | | 0,3-0,7y=-0,2 | | 5(4w+8)/3=-11 | | 4(y+7)=-2(7y-8)+3y | | 4^x+4*(2^x)+3=0 | | -10x+5=-6×-35 | | M-6m+6=40+6 | | -0,25y+4=1 | | 52/a=10/20 | | 5x+17=(37x+5)-(23x-5) | | 1000(7x-10)=50(348=100x) | | 25v22-20v+4=0 | | 3x+1/5=x+7/2 |