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)
(3/5)*(-15*r-5) = 0
3/5*(-15*r-5) = 0
-15*r-5 = 0 // + 5
-15*r = 5 // : -15
r = 5/(-15)
r = -1/3
r = -1/3
| x+16=70 | | 7(7)-24=25 | | 7x+38=2x-7 | | 4t+14=6t/6+7 | | 6(n+4)=42 | | r^2+4.3r-0.9=0 | | 8x+9y=50000 | | 10(t-3)+8t=6(3+3)-9 | | r/4-3=7 | | x+31=35 | | (X^2+15x+13)+3x^2-15x+7= | | 90+6x+6+11x=180 | | 29=x-3 | | 12-2n=0 | | 3(4.8+.6y)+2y=3 | | 7x+3(x-1300)=15100 | | (8a^3b^2)(2a^2b)=0 | | 22=x-32 | | 8*-25=47 | | 3(7x-2)3x+1=4(2)(x-2) | | x+9=-14 | | 2x-(1/4)=(x/3)+6 | | 3y^3+y^2=48y+16 | | 35/c+2=7 | | (22m+11)/(33) | | 2x-1/4=x/3+6 | | x+32=52 | | 35/c+2 | | x+32=86 | | n/4+2=10 | | 5/12*3 | | x+8=40 |