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-4 = (-3/8)*(x-4) // - (-3/8)*(x-4)
Y-((-3/8)*(x-4))-4 = 0
(3/8)*(x-4)+Y-4 = 0
3/8*(x-4)+Y-4 = 0
3/8*(x-4)+Y-4 = 0
Y+3/8*x-4-3/2 = 0
Y+3/8*x-11/2 = 0
Y+3/8*x-11/2 = 0
Y+3/8*x-11/2 = 0 // - Y-11/2
3/8*x = -(Y-11/2) // : 3/8
x = (-(Y-11/2))/3/8
x = 8/3*(11/2-Y)
x = 8/3*(11/2-Y)
| 8+5(x+2)=13 | | -n-2=2n+4 | | 9m+1=73 | | 6v^2+78v+180=0 | | 14x+84= | | 3k+10=-7k | | X-3/7=1 | | 3x+10-180=8x+5 | | 6x+3x=2x+21 | | X^3+3*x^2+36=0 | | 2y-12=-26 | | -4y=5+y | | (7a-4)=(4a+47) | | -4e-0=19 | | 15x+10=5x+20 | | -2(6x+3)=36 | | 26.4x-3.2=5.91x-32.1 | | 6(x-3)+5=11 | | 5y=40-9x | | 20/3/5 | | 10x-8=2x-6 | | 5x=(2x+9) | | -2x+3=-x-1 | | 4x+13x+56-16x=-13x+199-2 | | -3p+21=21 | | 2c^2-3=13 | | 10x-6=2x-8 | | 3/7x-4=6 | | 2x+3=-x-1 | | 26.4x-3.2x-32=59x-321 | | Y^2+11=7 | | 2*a-4=3*a+3+7*a+2 |