Seudónimo Seudónimo
  • 20-02-2016
  • Mathematics
contestada

Evaluate the expression, using the given value of the variable.


7 – 5x + 4x when x = 3



A. –20


B. 18

C. 4

D. 30

Respuesta :

NewtieCutie
NewtieCutie NewtieCutie
  • 20-02-2016
The answer is C. 4

7 - 5 x 3 + 4 x 3
= 7 - 15 + 12
= -8 + 12
= 4
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