08-10-2020
Mathematics

contestada

Solve.
X-9 = 12
.....

Respuesta :

moxaler moxaler

08-10-2020

Answer:

x=21

Step-by-step explanation:

x=9+12 x=21

Answer Link

kiaramoralesc31 kiaramoralesc31

08-10-2020

Answer:

Step-by-step explanation:

X-9=12

Reverse the operation into

9+12=x

9+12=21

Now check

21-9=12

Answer Link

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