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)
-15*(1/3)*r = 0
-5*r = 0 // : -5
r = 0
r = 0
| -7(z-9)= | | 29/5*4/5 | | 0.86x+0.9(16-x)=14.08 | | x=yz/6(z) | | 72g(1)= | | 65-4q=5 | | X+40+x=90 | | 2(t-1)-3(2t-1)=16-5(3t+5) | | (24+s)+16= | | 4x^4+2x^2+3x-1=0 | | 4(3xz)= | | 2x/15x=-4 | | 2x/15x | | c+(17+8)= | | 5(t-5)-6(4t-1)=2-8(6t+5) | | 31+(21+p)= | | xa+b=ca+d | | xz+b=cx+d | | 2y+300=5y-600 | | 3y/(x^2-xy-2y^2 | | 2v^2+3v-9=0 | | 7ab+5ba^2= | | x^3+20x=71 | | x^2-26x-128=0 | | X+14=90 | | 20w^2y+24wy^2=0 | | 24x^2-3x=68 | | 14+x+x=180 | | in(7e^8)=x | | 5(h+3)=-5 | | 3(5x+2)-7x=4(2x-5) | | x(x-4)+3=0 |