Respuesta :

shykeimahoward

Answer:

Step-by-step explanation:

42x9=378x2=756

jjodlask

Answer:

x=6

9x=42+(2x)

Step-by-step explanation:

9x=42+2x

subtract 2x both sides

7x=42

÷7 both sides

x=6

9•6=42+(2•6)

54=42+12