Respuesta :

Answer:

47

Step-by-step explanation:

The order of operations is encoded in PEMDAS, or Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction. Because there is only addition and subtraction, we just calculate it from left to right: 42 + 7 - 2 = 49 - 2 = 47.

Answer: 47

Step-by-step explanation:

PMDAS- start with adding 42+7 that equals 49, then subtract 2.

hope this helps