If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
y/(-7) = 13 // - 13
y/(-7)-13 = 0
-1/7*y-13 = 0 // + 13
-1/7*y = 13 // : -1/7
y = 13/(-1/7)
y = -91
y = -91
| 37/8-10/3 | | 3/4-5/6 | | 2/5-3/7 | | 1.2/9+2.5 | | 3+2(p-6)=6p+33 | | x/-6=5 | | 1/3+1/2 | | (10/3)/(1/3) | | x+3/5=-27/5 | | 10/3/1/3 | | 2x-3(3+0)=10-x | | 17/7/4 | | 7/15/21/10 | | 9x+24=5x+4 | | 7+9k=25 | | 1/2/3/8 | | 2(x-1)=5/2 | | 5/3*19/8 | | -4x-4y=-15 | | 1.08(360)/(15) | | 12/3*23/8 | | 2/9*15/8 | | -0.4(x-3)=4 | | (x-7)(2x^2-5x+3)= | | 2x+23+7x-2+9x+6+x+18=x | | 4*3+2= | | 17/51 | | 2x+23+7x-2+9x+6+x+18=y | | 8/24 | | 15/20 | | 2x+23+7x-2+9x+6+x+18=180 | | (-3xy^2)(5x^2y^3)= |