If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
7*w+2 = -5*w-82 // + -5*w-82
7*w-(-5*w)+2+82 = 0
7*w+5*w+2+82 = 0
12*w+84 = 0 // - 84
12*w = -84 // : 12
w = -84/12
w = -7
w = -7
| -6n+10=-4n+2 | | 7w-1=4w+26 | | 4d-8=-5d+91 | | 5-7a=2a+68 | | 2w+6=-54-3w | | -5t+7=-t-33 | | 6d+4=124-6d | | 7m-4=-m-36 | | 5w+4=-w+58 | | 6w+10=22+4w | | -m+6=3m-2 | | -7k-3=-99+k | | -6m+7=2m+7 | | -3b+1=21-5b | | 9+5x=7x+29 | | 5+d=-2d+32 | | 1+7a=3a-43 | | -6n+2=83+3n | | 2n-5=-60+7n | | -7k+5=-4k+41 | | 2m-1=-2m-13 | | 8-n=-7n+44 | | 5b-10=3b+8 | | -4-7d=d-68 | | 2k+10=-2k+46 | | -4w-5=w+50 | | 9-4n=-5n+8 | | -2k-3=3k+37 | | 2-7x=-4x-13 | | 3n+2=-6+n | | -5+m=5m-21 | | -2d+1=7d+19 |