If it's not what You are looking for type in the equation solver your own equation and let us solve it.
v in (-oo:+oo)
7 = (-7/9)*v // - (-7/9)*v
7-((-7/9)*v) = 0
(7/9)*v+7 = 0
7/9*v+7 = 0 // - 7
7/9*v = -7 // : 7/9
v = -7/7/9
v = -9
v = -9
| y=-3lx+2l+6 | | 7/10=15/-x | | 4(3)+y=0 | | H=-5t+245 | | -7x+14+3x=10+8-2x | | 2x-0-5x=9 | | 1.6m+6.9(m-4.9)=13.39+2.6 | | x*1.5=3.5 | | 10.98+4.06= | | 6a-11=5 | | x-1.5=3.5 | | 4lx-3l-5=y | | -3+6X=7+4x | | X-3=-31 | | -5-4K=k+-10 | | 5x-9=30 | | 10-3x+13=8 | | 6x+15-5x=-7-12 | | 4(x+3)=1+4x | | (9/4)x=18 | | -10x-14y=27 | | (3x-5)2+30x-34=0 | | 5x=12-(-8) | | hx=41 | | 4x+19=2x+71 | | 4y+8=72 | | 9-(9x)-5-(6x)=7 | | (3x-5)2+30-34=0 | | 71x-51=16x+6 | | 4*x-1/7=2x | | 3n^2+19n+24=4 | | 5s-35t-15= |