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72 but there is such a thing as a CALCULATOR

2+14=16

U = 4 x 18 U = 72

18+18+18+19+23+23+24+24=167

-6

The numbers are 13 and 18

How do you add 2x plus 3y equals 18 in 5x-y equals 11

The Answer is Commutative Property

No.

69

21

160

49+18= 67

18 + 31 = 49

18 + 10 + 28 + 10 = 66

60.

105.

Commutativity or Abelian property

This is the Commutative property or law.

few errors in your title: 2 plus 4 = 6 6 plus 9 = 15 10 plus 25 = 35 18 + 81 = 99

Equality

(-1, 5)

(-1, 5)

the answer is 18

27