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

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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