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)
4*m+7 = 23 // - 23
4*m-23+7 = 0
4*m-16 = 0 // + 16
4*m = 16 // : 4
m = 16/4
m = 4
m = 4
| 7+2b=19 | | -2+6x=34 | | -6m-4=-76 | | 6t+3=-21 | | -2k+6=-10 | | 4a+2=50 | | -1+4w=27 | | -2w-9=7 | | 6m-2=-62 | | 7b-8=-85 | | 2k+10=8 | | -3d+5=38 | | 2a+7=29 | | 3+2m=11 | | -5-7n=-5 | | -7m+3=24 | | 2+2w=-12 | | -6m-6=36 | | 3+7t=-39 | | 8+7m=50 | | 89x=23 | | 7-6d=7 | | 6d+6=24 | | -2-7n=-37 | | -1+5b=-1 | | -4k-4=-44 | | 2-4d=42 | | 7m+6=90 | | 3k-6=-42 | | 8-3k=-16 | | 89x=9 | | 3k-1=-10 |