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 = (3/7)*x+8 // - (3/7)*x+8
y-((3/7)*x)-8 = 0
(-3/7)*x+y-8 = 0
y-3/7*x-8 = 0 // - y-8
-3/7*x = -(y-8) // : -3/7
x = (-(y-8))/(-3/7)
x = -7/3*(8-y)
x = -7/3*(8-y)
| -3x-20=43 | | y=-7/4x-3 | | 37c=777 | | y=7/5x+7 | | 2x-(4-2x)=-3(2-x) | | F(x)=2x^2-3x+1 | | f(x)=3(4)x-4 | | 3x-9=(-4) | | y=9/10x | | X(5x-15)=0 | | y=0.9x | | 0.5x-18=2 | | 4-7a=-24 | | F(x)=-2x^2+3x-1 | | 4-7a=24 | | y=-0.428x | | 3x^2-11x+3=-3 | | 4.34+.793+6= | | 13=4x-7 | | x/3-2=3x/5 | | 36b^2-12b+1=0 | | 8x/9=5/6 | | y=-3/7x | | z^2-(1+4i)z-5+5i=0 | | y=-.042x | | x^2+9x=70 | | 2+4+6+8+10+2n=27 | | 6b+6=4b | | 2+4+6+8+2n=27 | | 2x^2-1/2x=1/8 | | (42/2+60-8)+(61-8*3) | | 6g=-7+5g |