If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
9*(r/9) = 0
r = 0
r = 0
| (-9/7)(-7/9x) | | -8t-5=-9t-7 | | (-9/7)(-7/9) | | 15-x^2=2x | | 3x^3-16x^2=-5x | | 7e^3x=1 | | (-5/4)(-4/5x) | | a^2-6a+11=92 | | 32x-20y=20 | | y-1=-5/9x | | 5+7e^3x=6 | | -3x^2+7x+4=0 | | 9x-7=y | | x^3-10x^2+25=0 | | x-0.6=8.57 | | f(x)=-2x^2+3x+7 | | 3-9x=3y | | 3x-12=-20+7x | | 5y+9=2y-3 | | 4y-31=-5(y+8) | | x^2-1x-42=42 | | 8r(r+2)(3r-1)=0 | | 3.14(x^2-20x+100)=0 | | 8x-14=-4x+2 | | 20=3x^2-7x | | 1/4y+1=7/8 | | s=80t-16t^2 | | Y=2*-2+10 | | 3.9x+96=6.4x+46 | | x=3x^2-7x-20 | | f(x)=7x^2+6x+9 | | 3z-14=4 |