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18-05-2016
Mathematics

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What is the value of the expression below when x = –2?

5 + 3(x – 7) – (x + 1)

A.–23
B.–7
C.–21
D.-5

Respuesta :

KyraaaFtw KyraaaFtw

18-05-2016

The value of the expression is -21.

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Pachanga Pachanga

18-05-2016

5 + 3(x-7) - (x+1)

5 + 3(-2-7) - (-2+1)

5 + 3(-9) - (-1)

5 -27 + 1

-21

The answer is C.

Answer Link

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