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)
-1 = x/15 // - x/15
-(x/15)-1 = 0
-1/15*x-1 = 0 // + 1
-1/15*x = 1 // : -1/15
x = 1/(-1/15)
x = -15
x = -15
| 3u-8=40 | | 5d+3=18 | | 5x+3=-x-21 | | 5n-1+5n-3=26 | | h=372/(3x*x) | | 2x+5+c=0 | | x-x^2-2x=0 | | 14x-5+5-12x= | | 100x+500y=400 | | b(b+2)=4 | | 2-3=10 | | (m*(m-1))/2 | | 4m^2+30m+16=0 | | -7x-2=-6x+3 | | m*(m-1)*(m-2)/6 | | 7x-56=-6x+21 | | 8x^2+6x+1+0=0 | | t/7=6/42 | | 8-2x+3=2x+5 | | 5/h=15/12 | | -3x+3=7x-4 | | -(5x-3x)+x=21 | | 2tan-3=-5 | | 1+0.5x=x^2-6x+9 | | 7x+21=4x-5 | | 4cos+1=2cos | | 5/3-x)1 | | -0.6666666666666667X-0.75=1.333333333333333X-1 | | 6/3-x1 | | sin4x=-2/2 | | y=9x+87 | | 46-(2x+6)=(3x+5)-50 |