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GIVING 11 POINTS FOR THIS!! PLEASE I NEED AN ANSWER FOR MY ASSIGNMENT THATS DUE IN 10 MINUTES! Mary is 21 years old. Her age is 9 years more than 3 times Harry’s age. Which equation can be used to determine
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GIVING 11 POINTS FOR THIS!! PLEASE I NEED AN ANSWER FOR MY ASSIGNMENT THATS DUE IN 10 MINUTES! Mary is 21 years old. Her age is 9 years more than 3 times Harry’s age. Which equation can be used to determine x, Harry’s age in years?

User Didier Prophete
by
6.2k points

1 Answer

3 votes

Answer:

Answer:4

Explanation:

21=3x+9

12=3x

X=4

User Blackpen
by
5.4k points
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