If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
3 = z/8.6 // - z/8.6
3-(z/8.6) = 0
3-0.11627907*z = 0
3-0.11627907*z = 0 // - 3
-0.11627907*z = -3 // : -0.11627907
z = -3/(-0.11627907)
z = 25.79999995
z = 25.79999995
| 21x-3=20 | | 137=11+6m | | 1/4t=2 | | X(1-x)=-6 | | 3+(-x)=14 | | 2400=-300x | | y=175x+600 | | 12w=-192 | | 3+-x=14 | | -6h=78 | | 5-3n+5=2n-10 | | g+19=-7 | | -x^3+3x+12=0 | | 10x+51=4x-69 | | 3a+8-4m=28 | | x*x+3-4=0 | | 7x^2+30=0 | | 0.5(x+8)=13 | | 5b-87=3b-43 | | 0.5(x+8)=14 | | -3x-12/4=-1-2x-10/3 | | -6+4x+10-11x= | | 6+2x+x=180 | | 2x+3+(-1)=1x+5 | | 11x^2+23x+12=0 | | 9n-10=3 | | 6x^2+32x+10= | | 10r^2-9r+1=0 | | -10x-20=30x+20 | | 16y+26=218 | | 50B-20C-10B+20C= | | 0=-5r+6 |