guadalupe8940 guadalupe8940

02-06-2021
Mathematics

contestada

THE SUM OF A NUMBER, X
AND 9 is 21.
SOLVE FOR X.

Respuesta :

Аноним Аноним

02-06-2021

Answer:

X + 9 = 21

Isolate the variable, meaning getting rid of the constants

-9 -9

X = 12

Answer Link

marykristenong marykristenong

02-06-2021

Answer:

12

Step-by-step explanation:

To get the answer 12 you must:

Subtract 21 - 9

That would get you your answer.

Answer Link

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