rrajeelizzAyaro rrajeelizzAyaro

15-02-2016
Mathematics

contestada

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

Respuesta :

Panoyin Panoyin

15-02-2016

3x - 2 = 13
+ 2 + 2
3x = 15
3 3
x = 5

The answer is C.

Answer Link

Vicky159M Vicky159M

15-02-2016

Let the number be x:

3*x-2=13

∴3x=13+2

∴3x=15 (divide both sides by 3)

∴x=5 the answer is C

Answer Link

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