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)
991/3 = (5/3)*n // - (5/3)*n
991/3-((5/3)*n) = 0
(-5/3)*n+991/3 = 0
991/3-5/3*n = 0 // - 991/3
-5/3*n = -991/3 // : -5/3
n = -991/3/(-5/3)
n = 991/5
n = 991/5
| t^20-t^4=0 | | (-3x)-(-3x)=x | | 4x+1=-6x-23 | | 7+V+3W= | | (6x-1)/5=3/1 | | 5x+3-x=2x+1 | | (-4w^2+6w-2)+(7w^2+3w+5)= | | 3×4/5= | | t^20-t^4=x | | 3p+9+4p=12 | | 12=-4(-6z-3) | | 2x+3x=8x+3 | | X+(X+106)+(X+190)=1331 | | 15m=-75 | | 2(4y-0.25)=3y-0.6(2y-1) | | 22+6x=28 | | 6=6-7s-2s | | 8x^2+185x+21=0 | | 5x-20=501 | | 3(4x+2)=6(1+2x) | | .4-.2x+.3=-.9 | | 2m+2-3=9 | | .4-.2x+.3=-9 | | e(x)-8e(-2x)=0 | | 6(x+4)=2+6x | | 2y+(-2y+3)=4 | | 34=7+2x | | 2-3n=-19 | | 6-7n+8= | | x*x-16x+64= | | 3r^2-30r+75=0 | | 34=7+4x |