If it's not what You are looking for type in the equation solver your own equation and let us solve it.
m in (-oo:+oo)
-309/10 = (-1/2)*m+5*m+3/5 // - (-1/2)*m+5*m+3/5
-((-1/2)*m)-(5*m)-309/10-(3/5) = 0
(1/2)*m-5*m-309/10-3/5 = 0
-9/2*m-63/2 = 0 // + 63/2
-9/2*m = 63/2 // : -9/2
m = 63/2/(-9/2)
m = -7
m = -7
| 1/5n-8-2/3n=-33/5 | | 6/7x+1-x=6/7 | | -1/3x-2+5x=-136/33 | | 5w+7/10-4w=-83/10 | | b-2/7+3b=-218/77 | | 4w-1/4+1/2w=17/4 | | 95/21=-6/7w+6w+2/3 | | d-2/5+5/7d=-754/385 | | 3/4x+1/2-1/7x=46/7 | | (y+8)(y+2)= | | 7a+3-a=15 | | 235/27=-m+1/3m+9 | | 1/10-4m-6m=-989/110 | | 526/55=4/5w+6w+4 | | x-4+3/5x=-84/25 | | 3n+1/3+6n=-269/3 | | -9+7m+7m=-149 | | 1/9-2/7k+5k=-2963/63 | | 7x-5+5x=-5 | | t-10+t=-33/4 | | x-2+5x=-28/5 | | 6a-2+a=-9 | | 6k-2/9-1/4k=199/36 | | -1/6d+3/7-1/3d=-4/7 | | 1/5-2z+z+2/3 | | 1/2+4/7x+1/6x=50/7 | | 1/2n+8-4n=-27 | | 1+2/3w-3/4w=61/60 | | 1/2+1/4x-6x=163/4 | | -5/7b-5/6+3b=29/42 | | 4+5/7k-1/4k=1487/336 | | x=8-2 |