If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f in (-oo:+oo)
(1/2)*f-2 = (1/2)*f // - (1/2)*f
(1/2)*f-((1/2)*f)-2 = 0
(1/2)*f+(-1/2)*f-2 = 0
-2 = 0
f belongs to the empty set
f belongs to the empty set
| -6=n/2=10 | | 4/3.32+.16=P | | -8(k+3)+7= | | -5+7+(-3)+6= | | 2.5m=-17.5 | | 3/4*5/6 | | 4/4y | | 6n-7=4n-7+n | | 3x+2(x-1)=23 | | -9(-0.1296)-6y=-256.50 | | 9.3p=29.76 | | -1.596/(0.3) | | -5y+2=-10 | | -2(n+5)+n= | | X/x=x/9 | | 7+V=97 | | 9y-7=3y+11 | | 3x+35=x+85 | | 3x+4y+c=0 | | 0=4x^2-11x+3 | | -36-3x=11+2x+8 | | 26=5.2d | | x^2-10x+26=98 | | E-15-10+11=5 | | x-2.3=4.1 | | 120=2y+50 | | 2(x-3)+5-x=2-x+4 | | 8x-4=6x+5 | | -2b+2(1-2b)= | | 7(n-2)+11=5n+2n-3 | | 5z+7=7z+19 | | 1188=54b |