If it's not what You are looking for type in the equation solver your own equation and let us solve it.
1/r=1/5+1/5
We move all terms to the left:
1/r-(1/5+1/5)=0
We can not solve this equation
| 11.5/5=y/50.6 | | -5+4u=-20 | | 8−(−5−6x)=4(3x+4) | | 19.4z-8.7z+18.82=-1.7-19.62 | | 16h-9=-54 | | (1-x)+3x=3x | | 55+a=-78 | | 3-0.4m=3 | | 4+r=8 | | 4.3/3.6=x/20.88 | | -11=+2x | | k/3.8=4 | | 3a-4+6a+2=5a+23 | | x+9=11.5 | | -9h-17-13=20+16h | | -3.03+-2u=-1.87 | | 7-6v=-5-8v7−6v=−5−8v | | 2(y-4)=(5(y-7) | | -18+3k-9=-k+9 | | (y-3)/2=y/5 | | 2=k3− 2 | | 2.1+10m=7.94 | | 7.3(5y+1)=18y | | -9(t-2)=4(t-2) | | 3/(2x-1)=5 | | 1/2q=q-2/5q | | 12+5(x-3)=4(x-1)+9 | | 9(x+2)=4 | | -30=9/5c | | 17+3x=77 | | 10-4x=-3 | | -19.51-3.8m-18.67=3.3m+19.33 |