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)
(4/5)*(15*x-5) = 0
4/5*(15*x-5) = 0
15*x-5 = 0 // + 5
15*x = 5 // : 15
x = 5/15
x = 1/3
x = 1/3
| 20=0.1x^2+0.5x+15 | | -3/2=4/7x-4/3 | | p=0.1x^2+0.5x+15 | | 3.8+1.4*100-63=/0.5 | | 3/4y=8.46 | | 4p+0.16=3.32 | | -5/3u+1/2=-7/4 | | 4/5m=7 | | 1.8c+32=68 | | 5n=52-27 | | w/-5-4=12 | | -5/3-2/5x=-7/4 | | 7y-3y=28 | | 27=25a-1 | | 2/5t=9 | | 4x-23=19 | | 3=10x | | 5/6+2/3x=3x | | 8[3+4(7-2)]= | | 15=12y-57 | | 15a-34=41 | | 5+1/2x+x+x=50 | | 9n+15m=-6 | | 2/7x+5/7x=6 | | 15m+9n=-6 | | 2m/5+16=24 | | 5y+4-6=-2y+7 | | 62=6x+10 | | 100+12h=23 | | .90x+2.50=18.50 | | 20m=10 | | y=-6*0 |