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)
(2/5)*(100-(5*p)) = P // - P
(2/5)*(100-(5*p))-P = 0
(2/5)*(100-5*p)-P = 0
2/5*(100-5*p)-P = 0
2/5*(100-5*p)-P = 0
40-P-2*p = 0
40-P-2*p = 0
x belongs to the empty set
| 6p-3p-p+1=3 | | 3x-12=((11x-1)/(2y)) | | (2/5)*(100-5p) | | -4=6x | | -16x^2-32x=-380 | | 11b-7b+4b-7b=17 | | -((1-48w)/6) | | 5w+7w=-24 | | (1.2/5)*(100-5p)=p | | 6t^2-10t=0 | | (1.2/5)*(100-5p) | | 17c-12c-3c=8 | | 3x-12=11x-1/2y | | 28x=7 | | 6(y)=-11x | | 2x+3y=200 | | 3(56-38)=9y | | 5x+6=-5x-6 | | -12p+11p-11=-9 | | V-5/2=v/7 | | -3+-q+-q=-10 | | 4x-17=7whatisx | | 2x-9=13x-7 | | 9v-4v+4=19 | | -3x+6+8x=-14 | | 9+8x=2+x | | 7(x+4)=2(x-6) | | 2(x-3)+16=2(2x+9) | | 21x+4=15x+-80 | | x/9=5/7 | | 6x+10=10x-14 | | 5x-7y=6fory |