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)
(5/4)*(x-4)+8 = 0
5/4*(x-4)+8 = 0
5/4*(x-4)+8 = 0
5/4*x+3 = 0
5/4*x+3 = 0
5/4*x+3 = 0 // - 3
5/4*x = -3 // : 5/4
x = -3/5/4
x = -12/5
x = -12/5
| 14-9x=86-30 | | 3(-4x-6)=3(-7x+4) | | -x+5=-2x-1 | | 6u^2-3u+22=0 | | y-6=(3/5)(x-(9)) | | x+7=2y | | -23=-3+4w | | 12-8x=51-15x | | 5=a/18 | | 0=-6x^2+5x+6 | | 10x=54 | | 27-x=3x-84 | | 1/4(7x-12) | | x+9(3.4)=-25 | | 6x-15y=0 | | 7(-25+9y)-4y=26 | | x+9y=-25 | | 5x+30=12-26 | | 32x-6=21x-70 | | x2=1200000/0.004 | | x+7=2x(x-7) | | 0.1x+.09(-8000)=-7 | | 66-2x=3x | | 0=-x^2-x+6 | | 4x+2=3(x-5)+6 | | 0=-x+3 | | 0.4(-70+.09y)-.04y=4 | | 0.1x+.09y=-7 | | x+7=2x-7 | | 3x+8=188 | | 9x-15=84 | | 79-6x=10x |