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)
y = (5/4)*x-3 // - (5/4)*x-3
y-((5/4)*x)+3 = 0
(-5/4)*x+y+3 = 0
y-5/4*x+3 = 0 // - y+3
-5/4*x = -(y+3) // : -5/4
x = (-(y+3))/(-5/4)
x = 4/5*(y+3)
x = 4/5*(y+3)
| -2(-4+a)=20 | | 5x+3x+5+3x+8+9=13 | | 26x^2-4.8=4.56 | | 16x^2+4=16x | | -8+3y-10+2y=11 | | 4x^4-20x^2+25= | | 45x+46=1 | | 3x^2+13x+30=0 | | 2ln(x)+ln(5)=3 | | 14x^2-28=98 | | -10-14v=-14v+5 | | -9-e=3e+11 | | 3(s-4)=4s-12 | | 9x^2-8=-71x | | 4=11-w | | -2x-1=-1 | | 5(d)+18=78 | | x^2+36=-15x | | 5c+2=2c+(-7) | | 10=-w+5 | | 3(2x+4)=7x+8 | | x^2-1x=42 | | 9x^2-8=-71 | | 2x+9=4x-36 | | 7x^2-14=49 | | d/9+5=15 | | 3+x-2=-15 | | 12-6x=36 | | 151-7x=20x+22 | | 8x^2+3x^2=176 | | -3=7+f/2 | | 0.7(8x+16)=1.3-(x+2) |