If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
18-15 = x/(-5) // - x/(-5)
18-(x/(-5))-15 = 0
1/5*x+3 = 0 // - 3
1/5*x = -3 // : 1/5
x = -3/1/5
x = -15
x = -15
| 2w-5w=-9 | | 20y-10=18y-9 | | 11(x-5)=-7-4 | | 36m^3-6m^2p^2-6mp+p^3= | | 37y=4(9y-2) | | 5(3r+-4)=16r | | 3x+5-2x=14 | | -3x-3x=38-2 | | 3z=12-30 | | 5w-13w=56 | | 3*23= | | (3y+1)+(3y+1)+40=0 | | (3y+1)(3y+1)+40= | | (2y+1)+(2y+1)+24+24= | | 9+9+4y+4y= | | -5y^2+7y-2=0 | | 8+8+5y+5y= | | 6a+12+5a= | | Y-1=1.5(x-3) | | 10+3x=x+24 | | 8-3x=24+5x | | x^2+3x+13=-6x-5 | | -7(x+6)+6(2x+1)= | | -3x=-6x | | -4(z+4)+3z= | | 2=5(5w-2)-9(3w-3) | | -4(x+4)+3z= | | 4(x+2)+23= | | 3y-7+3y-7= | | 3t/2=9 | | 4(s+1)=12 | | x(19+4)=y(20-3) |