tmarshall9906 tmarshall9906

17-01-2020
Mathematics

contestada

What is the solution 21=42-3r

Respuesta :

Аноним Аноним

17-01-2020

Answer: 21

Step-by-step explanation:

21=42-3r

3r-42=21

3r=21+42

3r=63

r=21

Answer Link

vardanyanmadlena vardanyanmadlena

17-01-2020

Answer: -7

Step-by-step explanation:

3r=21-42

3r= -21

r= -7

Answer Link

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