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08-02-2016
Mathematics

contestada

If 3 times a number minus 2 equals 13, what is the number?
A. 5
B. 2
C. –6
D. 4

Respuesta :

08-02-2016

3x - 2 = 13

Add 2 on both sides

3x - 2 + 2 = 13 + 2
3x = 13 + 2
3x = 15

Divide both sides by 3.

3x/3 = 15/3

x = 15/3

x = 5

Your final answer is A. 5.

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