Let x equal the larger number Let y equal the smaller number x+y=63 x=y+11 Sub the second equation into the first equation and solve for y y+11+y=63 2y+11=63 2y=63-11 2y=52 y=52/2 y=26 Sub y into the second equation x=y+11 x=26+11 x=37 Hope this helps!