delavegasandy delavegasandy
  • 17-01-2020
  • Mathematics
contestada

5x+2,x=7 evaluate the following expression

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ty12590
ty12590 ty12590
  • 17-01-2020
the answer would be 37
Answer Link
jimthompson5910 jimthompson5910
  • 18-01-2020

The x is a placeholder for a number. In this case, x is holding the spot of 7 since x = 7.

We have 5*(some number) + 2 which is shortened to 5*x + 2

Replace x with 7. Then use the order of operation PEMDAS to simplify

5*x + 2 = 5*7 + 2 = 35 + 2 = 37

The answer is 37

Answer Link

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