3 years ago

21-m=9 anyone know this ?

Mathematics

2 answers:

prisoha [69]3 years ago

6 0

Answer:

m=12

Step-by-step explanation:

21-m=9

-m=9-21

-m=-12

m=12

lord [1]3 years ago

4 0

Answer:

Step-by-step explanation:

21-m=9

21-9=12

m=12

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