If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9r-r=16
We move all terms to the left:
9r-r-(16)=0
We add all the numbers together, and all the variables
8r-16=0
We move all terms containing r to the left, all other terms to the right
8r=16
r=16/8
r=2
| 12z-6=-4z-38 | | 64=40+8b | | 14x-7x+15=38-2 | | 100=800•.033•t | | 6-5a=46 | | -8x-x+6=2x-3+14 | | 5(8+9q)=3 | | 5x+3=4x+x+3 | | 4x(2-3x)=2x(2+3x) | | 20x+5=25x-1 | | 100=800•3.3•t | | 7(3-6p)=3p+21 | | -3n–4=17 | | 3a=105 | | x+5(x+3)=3x=15 | | 4(r+25)=1/5(25r+400) | | 66=u | | 92=(5x-8)+x | | -2(3-2y)=10 | | 92=(5x-8)=x | | 3(x-1)-2x=5 | | -4n–15=49 | | 6(x2)=18 | | 6y+29=101 | | -7n+-14=-14-7X | | -7w+5w+9=w | | 10+5x=14+8x-3x | | 11r=165 | | -6x+9=6x-8 | | d-6.5+d=-7.2. | | -24+7x=4+6(5x+3) | | 5x^2/4=20/1 |