If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
9*r = 20/12 // - 20/12
9*r-(20/12) = 0
9*r-5/3 = 0
9*r-5/3 = 0 // + 5/3
9*r = 5/3 // : 9
r = 5/3/9
r = 5/27
r = 5/27
| 20+5m=5 | | -36=-18w | | X=49+.15x | | 3/2x-1=15 | | -8-b=10 | | 3(x-8)+15=3x-8 | | 3x-2=-2(1-2x) | | 5x-2(x-4)=-6+5x+2 | | 12+2x=23 | | 5(2y-y)-4(x+9y)= | | X/2-4=4 | | -3(3x-3)-(2x-2)= | | (21y-1)=83 | | 0.3/0.2 | | x-(12-16x)=5 | | -6g/-5-2 | | 9x+53=-19 | | (2x-3)(3xy-2x)= | | (4x+23)+(9-38)=180 | | 8g-14+22=37 | | 100[0.07(m+7)]= | | 72t^3+27t^2-4t-5=0 | | 12-4t=32 | | a+3+3n=11 | | 4(a-3b)+9(2a+4b)= | | y=3+6*-0.4230769231 | | 5(1-n)+7(n+1)=8n-5n | | 9K-2=-128 | | 5.3y+1.34=-29.40 | | n+5.99+1.25=20.99 | | -1(1x+1)=-2(5-1x) | | 8xy+y-11+17y= |