If it's not what You are looking for type in the equation solver your own equation and let us solve it.
p in (-oo:+oo)
(1/5)*(15-(4*p)) = 0
(1/5)*(15-4*p) = 0
1/5*(15-4*p) = 0
( 1/5 )
1/5 = 0
p belongs to the empty set
( 15-4*p )
15-4*p = 0 // - 15
-4*p = -15 // : -4
p = -15/(-4)
p = 15/4
p = 15/4
| 2x=2(2x-5) | | y=3t^2+t-25 | | 7x-28=(-7) | | y+1=35(x+5) | | ax-by+ay-bx= | | 2x-by+ay-bx= | | 0=4-6+2 | | 2z+y=10 | | 15-3*x-x=-5 | | 3yz+10y^2= | | 4-x/2=7/3 | | 1/6n^-9 | | 7x=33-4c | | .69=log(x) | | 4/7÷3/7 | | 5/9x27/30 | | (x^2-4x)/6-5x/3=1 | | F(5)=3x+6 | | x-12=4x+18 | | (X/10)-(2/15)=(3x-4)/20 | | 8/x=9/6 | | 12-4+2-5= | | x+11+2x+70=180 | | 7-5(3x-2)-6x=22 | | -7(v+6)-4(v-9)= | | 300+20n=150 | | 10(2n+4)-6(n-1)= | | x(12x-11)=0 | | 7x-(2x+2)=8x-38 | | Sqrt(8-p)-sqrt(p-5)=1 | | 24/x=3/.5 | | 6x-(2x+3)=5x-11 |