angymolepo78 angymolepo78

24-06-2021
Mathematics

contestada

three times a certain number decreased by 2 equals to nineteen

Respuesta :

CoastsideDad CoastsideDad

24-06-2021

Answer:

7

Step-by-step explanation:

x equals a certain number

3x - 2 = 19

add 2 both sides

3x=21

divide 3 both sides

x=7

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