If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3r=16.86
We move all terms to the left:
3r-(16.86)=0
We add all the numbers together, and all the variables
3r-16.86=0
We move all terms containing r to the left, all other terms to the right
3r=16.86
r=16.86/3
r=5+1/1.6129032258065
| 2x+5=x+8 | | 5(15x+50)=1150 | | 5x–3=21–x | | 17.6=n+8.6 | | 2x-(x/4)=84 | | 16x–4=4(4x–1) | | 3(h-4)=-1/2(24h-6h) | | 20=10x+x | | 11x–7=3x+9 | | c=27^5*19^-3 | | F(x)=|x|+4 | | d-3.87=1.13 | | d/3.2+65=90 | | 7‐x=4 | | 128+x+x=180 | | 0.80s-0.80s+15=0.95-0.80 | | 8x+11=12x–1 | | 5x-3(x-4)=-9+5x+15 | | 2(x-5)+4(x-3)=0 | | 12=4(m−15) | | 12=3(m−15) | | 25r-13r+3=4+8-2r | | -4+4v=4 | | 1x+5=18x+3x | | -3(n+6)+10=-11* | | 2x²-8x=42 | | 25r13r+3=4+82r | | 9(x+2)+10=2x+14 | | x+15=2x+20 | | x=2.5(7) | | 6x-4-2x=36 | | 3y+y=1500 |