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-13 // - (3/7)*x-13
y-((3/7)*x)+13 = 0
(-3/7)*x+y+13 = 0
y-3/7*x+13 = 0 // - y+13
-3/7*x = -(y+13) // : -3/7
x = (-(y+13))/(-3/7)
x = 7/3*(y+13)
x = 7/3*(y+13)
| y=0-13 | | 10-4x=-9X | | 5x+11=99+-6x | | 12m+3n-5m+11n= | | 19-4/3x=3 | | 4=x*5 | | 12x^3+12x^2-1=0 | | 3*8-4/6+2 | | 12=-4(6-4-3) | | 2p-14=-2p+10 | | 7n-10=2n+10 | | 3m-3=2m-2 | | 4l-4=l+5 | | 2k-2=k-1 | | 6j-17=3j+10 | | i-14=-3i+14 | | 2h-4=h-4 | | 3g-6=g+12 | | 5f-12=2f+9 | | 4x^2-27x+21=-4x+6 | | 4e-4=-2e+8 | | 4d-9=2d+3 | | 3c+4=2c+4 | | 3b-1=b+3 | | 3a+4=-a+20 | | 2x^2-22x+22=0 | | 2x^2-22x+12=0 | | -4w+4z=0 | | 7+4=312 | | 4x-3+5x-6x+1=5x-2 | | 12(v+3)-4v=4(2v+2)-12 | | x+x-1000+x+x-1000+x+x-1000=0 |