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)
15-((1/15)*x) = (1/10)*x // - (1/10)*x
15-((1/15)*x)-((1/10)*x) = 0
(-1/15)*x+(-1/10)*x+15 = 0
15-1/6*x = 0 // - 15
-1/6*x = -15 // : -1/6
x = -15/(-1/6)
x = 90
x = 90
| 3x^2+12-36= | | t^2+16t=64 | | 88=88 | | y=Ax-Nx-C | | 2x(4p+3)=38 | | 9x^2-25xy-6y^2=0 | | 3/5s=4 | | (x+5/4)=(x/2)+(5/6) | | 2(3.14)(1.5*1.5)+2(3.14)(1.5)(5)=s | | 7y-(2y-19)=59 | | -21=r/14 | | 2m^5-7m^3-4m=0 | | -15=w/-12 | | 1/3a=14 | | 3/4c | | 5-(1/15x)=(1/10x) | | 3l=16 | | -0.0628s^2+1= | | -5(3+2p)=13-3p | | -.1p-.04(2-4p)=.04(p-6)-.18 | | 8x=16x^2+1 | | -10+7+8+-15= | | 3.4(2x+5)=-0.2(2x+5) | | 22=g/-32 | | 9/16v=36 | | 15y^2-240= | | 2/7^2 | | 2/72 | | 7p+5p-6=42 | | 9+k/8=54 | | v^2+15v+14=0 | | 4(3x-7)=2(x+11) |