72 but there is such a thing as a CALCULATOR
Wiki User
∙ 2011-07-06 15:39:122+14=16
U = 4 x 18 U = 72
How do you add 2x plus 3y equals 18 in 5x-y equals 11
18+18+18+19+23+23+24+24=167
69
No.
21
49+18= 67
No.
The Answer is Commutative Property
160
60.