3 years ago

If x=9 then 12+ x = ?

Mathematics

2 answers:

Anna11 [10]3 years ago

7 0

This is pretty easy once you know how to do it.

12+x=? We are given what X is.

So we just plug in X.

12+(9)=21.

21 is the answer

-Steel jelly.

Olenka [21]3 years ago

7 0

Answer:

Step-by-step explanation:

If X=9 then the equation is 12+9=21

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