Math x-7+y(x-(y-7)) y=7 x=7 Asked by AnneS2 12 years ago 3/24/2013 6:56 AM Last updated by anonymous 12 years ago 3/25/2013 1:28 PM
sub in numbers for variables 7-7+7(7-(7-7)) PEMDAS--left to right 7-7+7(7-(0)) 7-7+7(7) 7-7+49 0+49 49
