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)
8*x-(9/3) = -15 // + 15
8*x-(9/3)+15 = 0
8*x-3+15 = 0
8*x+12 = 0 // - 12
8*x = -12 // : 8
x = -12/8
x = -3/2
x = -3/2
| x/21=9/15 | | 17=2x-11 | | 36x^2+24x-1=0 | | 4x+7(8x+13)=-13 | | X-4.7=-2.1 | | Y-2=3/4(x-2) | | 4-x=14+4-4x+5x | | 1.15r+1.15(r+6)=42.5 | | 5+-17.2=16.3 | | 18/x=27/36 | | o.5y/8 | | -28x=0 | | -28=0 | | -2.5=-y/20 | | 5n=7n+16 | | 12x-20=44 | | 96=x*2+(x*3)2 | | 28y+5=15 | | 2y-4=-3 | | 15.2+x=-4.2 | | 3+4n=-5+n+3+5 | | -3=15x-30 | | 4(3d-6)=5(3+2d)+2d | | 1.75=40x | | (9x^2/3y^-4/5)^1/2 | | 1.15r+1.15(r+4)=40 | | (12x^3-18x^2)+(2x-3)=0 | | P^2-8p=34 | | 1.75x=40 | | 3y-6x=20 | | s/3=-8 | | x^2+35x+47=0 |