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02-12-2014
Mathematics

contestada

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

4 – 2x + 5x when x = 4

A.
–24

B.
–18

C.
16

D.
28

Respuesta :

02-12-2014

[tex]4-2x+5x=\ \ \ \ | grouping\ numbers\\\\ 4+3x\ \ \ \ | substitute\ x=4\\\\ 4+3*4=4+12=16\\\\ Answer\ is\ C.[/tex]

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