If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
((5*n)/(-1))/2 = 3/4 // - 3/4
((5*n)/(-1))/2-(3/4) = 0
(-5*n)/2-3/4 = 0
-5/2*n-3/4 = 0 // + 3/4
-5/2*n = 3/4 // : -5/2
n = 3/4/(-5/2)
n = -3/10
n = -3/10
| 12r-9r-2r+1=17 | | 3x+35+64=180 | | 2c+4c-(-16)=-20 | | 9=3(c-15) | | 2x+1y=10031 | | P(x)=-x^4-8x^3+9x^2 | | 4b-(-b)+(-18)=17 | | 0.2(x-4)=0.15(X-3) | | 9k+2=20 | | 6x+38=3x+74 | | 3x+74=180 | | 6x+38=180 | | 1.6x+5=0.4(x+3) | | 1=z/2-1 | | 1.4r+2=10 | | -8a+10=2x+6 | | g/7-5=-12 | | 2x-x=3x+12 | | 5c-42c+1=8c+2 | | x^2=-1/36 | | 6x-x=3x+12 | | 6x-x=3x+4 | | F(x)=(X-2)(x+3)[x-(2-i)][x-(2+i)] | | 3(2x-x)=3(x+4) | | 3(3x-4)-2(x-4)= | | 3(2x-x)=x+4 | | 14x+-3=25 | | x^1+y^2+3xy+1=0 | | f-33/6=10 | | -24=6+5-p | | 10-2+x=20 | | -68=4(b+-27) |