nevaehcade
nevaehcade nevaehcade
  • 12-03-2018
  • Mathematics
contestada

If x = 30, what does 55 + x - 27 equal?

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 15-12-2019

Answer:

  58

Step-by-step explanation:

Put 30 where x is in the expression and do the arithmetic.

  55 + 30 - 27 = 85 - 27 = 58

__

It can be advantageous to use the associative property of addition to evaluate the expression as ...

  55 + (30 -27) = 55 +3 = 58

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