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)
(1/4)*(8*x-40) = 0
1/4*(8*x-40) = 0
8*x-40 = 0 // + 40
8*x = 40 // : 8
x = 40/8
x = 5
x = 5
| 3(x-4)=37-4x | | r^2+14=9r | | 24(34+r)=1248 | | 2x-5=75-8x | | -30=-7x-x+2 | | 9x+5=2x+54 | | Y-5=2(x-4) | | -2x-9+3x=-19 | | 13+5+6y+y-2= | | 2(-1)-y=1 | | -4x-3+5x=-3 | | 2(n+3)=-4 | | 2(0)-y=1 | | Y+8=-2(x-3) | | 6n+1=-13 | | -3x-7x=60 | | a/3-3=6 | | 2(2)-y=1 | | 2(1)-y=1 | | 1+6x-x=-54 | | 1/2s=10 | | 1.6(5x-0.3)= | | 3*(y-14)= | | 3y-1+y+19=6y+20-4y | | -2x+4y=48 | | 6[-4x+7-2(x+1)]=3x+1 | | x^2+32x+28=0 | | -12=3x-15 | | x+10-5x=42 | | 5n^2-50n+125=0 | | -x^2+4x-15=0 | | -35=x+5x-5 |