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)
(4/5)*(x-(1/2)) = 0
(4/5)*(x-1/2) = 0
4/5*(x-1/2) = 0
( 4/5 )
4/5 = 0
x belongs to the empty set
( x-1/2 )
x-1/2 = 0 // + 1/2
x = 1/2
x = 1/2
| 24x+4y=-16 | | 25x+25=100 | | 3/5-z/9=1/45 | | -(9/4)z-((3/4)-(5/4)z)=0 | | 4x-4=6x+12 | | 6x-10+4=3x-7+4 | | (x+4)(2x-6)= | | 3w+4-2w+6= | | -5+14=14x-4-13x | | 9x-5=6-4x | | 20(2x+15)= | | (4x+9)(x-2)= | | 2m+16=4(m+4) | | 7/9x*3x/14 | | 12.5+15g=102.5 | | 9m+10-4-14m=-5 | | 3(-2)-7(-2)= | | z=2+6i | | 2x+4-x+3x=2 | | 12-2k=20 | | -5(7b+2)=-37+8b | | 2x+3(x-2)-7(y-2)= | | x^2+23=-42 | | h(x)=3x*2 | | 56=2w | | -7n+3n=-26-6 | | b-32=79 | | 0.09xX=115.65 | | -11/5*5 | | 86=112+13k | | 15-2+3= | | 4(x-4)-6(2-x)-24=3(26-x) |