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)
(2*f)/4-f+3/4 = 5/4 // - 5/4
(2*f)/4-f+3/4-(5/4) = 0
(2*f)/4-f+3/4-5/4 = 0
-1/2*f-1/2 = 0 // + 1/2
-1/2*f = 1/2 // : -1/2
f = 1/2/(-1/2)
f = -1
f = -1
| x/12-7=5/24 | | .99=10+.89 | | y/y-2+4/2-y | | 4z-8z=-3z-7-7z | | 3x-60=8x+85 | | x+8/6=4/6x | | -5(1+8p)=235 | | 10x-2=40 | | 4x-3(3.2)=12 | | 9(x+4)-(5x-3)=6 | | 52=-3(z+7) | | -0.04(5b-8)=0.08(10b-1) | | 40=7x+x-8 | | 1/2(1/2)-1/2(1/2) | | 5.5x+32=57graph | | s+7/2s+20=65 | | 5-3(v+1)=5 | | 8y-9+7y+2= | | 6(n+4)=-18n | | (-7+7i)+(6+I)= | | 7p+q/3 | | 1/2(1/2y)-1/2(1/2) | | 3+5d+d^2=0 | | 18x-3y/8 | | 93=8b+3(3b-3) | | y=-(-x^2) | | -9=n-15 | | 17-x^2+6x-10=0 | | 35=x+2x+3x-13 | | 5(8-5x)+5x=140 | | 76=-2t-(-21t) | | 8y+9+7y+2= |