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)
(4*p)/2 = 20 // - 20
(4*p)/2-20 = 0
2*p-20 = 0 // + 20
2*p = 20 // : 2
p = 20/2
p = 10
p = 10
| 6y=73 | | 2x-12=8+7x | | 57=3+2e | | 7(n-8)-5n=-24-6n | | (2+y)(5y+1)=0 | | 12.27+0.05(x+3)=12.77-0.16x | | -52=4(-4-3)+3x | | B=(2*8)-3 | | 2/5x9 | | 4(g+15)= | | 2x7/4 | | 22-6n=12n | | 13.06+0.07(x+3)=13.81-0.16 | | -6(4a+3)=-37-2a | | 2.25y=18 | | x=18+-1(5x) | | 2y-10=5(y+7) | | 5.4x-2.5(x-1)=6.4 | | 30=12+3b | | -7x+3(x-8)=-x-2(x+5) | | 1.2+q=3.2 | | 2x-38=10 | | 127+2h=961 | | 3x-52=-2x+38 | | b-2.8=0.8+.2 | | 7y+3x=8 | | 3.5x+0.5x=2.5+4.5x | | 4.1=p+2.8 | | 8x+7-5x=x+19 | | x+15+2x-20+2x=180 | | -40=1/2y | | 1/3x-2=16 |