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)
3-18 = z/(-8) // - z/(-8)
3-(z/(-8))-18 = 0
1/8*z-15 = 0 // + 15
1/8*z = 15 // : 1/8
z = 15/1/8
z = 120
z = 120
| 7x^2+58x+6=0 | | 2x+6=-2(x+3) | | X^4(x+1)+4(x+1)= | | 1/15y-3/5y | | 26+y=-28 | | 14w-16w=16 | | 5-X=43 | | 8d-4s-6d-8=2d | | x/40=5 | | 3/14-3/7 | | x^4+6x-7=0 | | No-8.6=17.6 | | 7x-14=31 | | -6(5r+8)= | | Y^2+1y=4 | | Y+14=104 | | 3x^3=-648 | | 3(x+3)=-2(x+5) | | 7p+5p+9p-1= | | X+24=96 | | 18x^6-14x^5/2x^2 | | 3x-1(6x-5)=5x-3(2x+1) | | 0.45=90 | | 3/n=0.002 | | 198=7x+2(4x+9) | | 9x+5=5+3x | | x+576= | | 109=5x+2(3x+16) | | 5x+16-6=20 | | X.dy/dx=4y | | 3.2+x=-8.5 | | 2x+4(5x-4)= |