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)
3/5 = n/40 // - n/40
3/5-(n/40) = 0
3/5-1/40*n = 0 // - 3/5
-1/40*n = -3/5 // : -1/40
n = -3/5/(-1/40)
n = 24
n = 24
| 3+0.142857142857143x=9 | | 3(-4+2x)=-24 | | 4(3x-9)=6(2x-5) | | 34/3x=8 | | 3/5x+1=13 | | V-9=12 | | 22=9x+4-6x | | 98/9= | | 6x+4=-7+4x+25 | | 21x=2+3x | | -8-(24-5*-8)^(1/2) | | 2(-4+2x)=-24 | | 1/d=9/54 | | 24-1/28(4x)=18-1/28(3x) | | 15=-6-3p/8 | | 1/(s-2)=1/7 | | -7(x-6)=-6(x-7) | | 6a=24.78 | | 6x+4=7+4x+25 | | -9x-17=11-11x | | 140+5p=530 | | 2(6r+3)=-6(8-3r) | | 4/7=24/x | | 10/18=n/9 | | 5x+4-7x=5x+x-13 | | 1+.14=6 | | 8r-r/3=46 | | 3+m/3=6 | | 8-4n=8 | | 2c+5-3c=-2c+4 | | 3x=4x-11 | | -4+7(9-10n)= |