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)
4*w+6 = 7*w+15 // - 7*w+15
4*w-(7*w)-15+6 = 0
4*w-7*w-15+6 = 0
-3*w-9 = 0 // + 9
-3*w = 9 // : -3
w = 9/(-3)
w = -3
w = -3
| 7n+1=-11+5n | | -2a+9=57+4a | | 5b+9=b+9 | | 6x+3=-4x-117 | | 15-3t-4t=18 | | 7x+-10x=15 | | 4x-4=x-28 | | 4k-3=69-2k | | 7a-4=6a+8 | | -4n-5=6n-25 | | 9+7b=-6b+48 | | -w-7=7w-23 | | 3x+1=28+6x | | 7w-4=117-4w | | a+1=33-7a | | -5a-8=7-2a | | 2+7k=-k+98 | | 7+6w=2w+31 | | 6+w=2w+13 | | -8+6m=3m-11 | | -3(m+4)=24 | | -9(5-9x)+1= | | -3(6n-5)+4n= | | -3w-9=2w-59 | | 2n+8=7n-2 | | 2b+3=7b+28 | | -6k+3=6k-9 | | -4d+1=-76+3d | | 2+2k=5k+17 | | 5m+10=m+14 | | -2n-9=5n-9 | | -3a+9=57+a |