72 !
7z+9 = 72 7z = 72-9 7z = 63 z = 9
There is more than one digit missing.
Well, honey, if 72 plus y equals 180, then y must be 108. Simple math, darling. Now go out there and conquer the world with your newfound knowledge.
100 + 71 = 171, as does 99 + 72, 98 + 73, and so on.
72 + 72 = 144
49 + 72 + 68 = 189
72+30=102
180+72=252
You would formulate this problem X/100 * 150 = 72 and solve for X.
72 !
72
132
It is the property of n as the additive identity.
54(x)+52+32(y)+72=212
U = 4 x 18 U = 72
-6x+72=x then -7x=-72 so x=72/7