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)
5*m+6 = 87/11-2*m // - 87/11-2*m
5*m-(-2*m)-(87/11)+6 = 0
5*m+2*m-87/11+6 = 0
7*m-21/11 = 0 // + 21/11
7*m = 21/11 // : 7
m = 21/11/7
m = 3/11
m = 3/11
| -w-7=-67/10-2/3w | | b+2/3=5/7b+38/21 | | 6w+7/9=205/9+4w | | -1+1/2x=x-3/5 | | 2/3+a-5/7a=122/147 | | 35/2=5/6w+2/3w+4 | | -1/7-3/7k+5k=-289/7 | | 113/10=-7x+6x+3/10 | | 1/2-3x+4/7x=-299/14 | | 4/7b+8/9+2/3b=914/63 | | 1/8+2/3m-7m=-605/24 | | b-6-3/4b=-5 | | 2/3n+1/6+1/3n=73/6 | | -403/30=-4d+2/3d-1/10 | | 3/7b+7/9+2b=-157/126 | | 3/4-2/3a+2a=169/12 | | 37/63=-1/3n-2/7n+1 | | 3/4-2/3a+2a=-61/4 | | 3/5+7k+5k=483/5 | | 4b-8+3/4b=-29/6 | | 23/3=a+7a+1 | | 51/7=-3d+5d-5/7 | | 2/5a-3/7+7a=-2087/35 | | -2/7t+1/5+7t=-649/280 | | -1/3-5/7a+1/4a=-257/420 | | 76/7=2k+3k+8 | | 1/8-1/5b-3/5b=-179/360 | | 1/3d-1+d=-20/9 | | 7=x+4x+7 | | -7+5n+1/2n=59 | | 4+2d-2/7d=100/7 | | 6t+1+4t=-109 |