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5y-9=16 guess and check
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5 votes
5y-9=16 guess and check

User HammerSpb
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2 Answers

4 votes
The answer is y=5, but you may need to work it out and show your work
User JGoodgive
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5.2k points
5 votes
5y - 9 = 16

add 9 to both sides leaving us with
5y = 25

divide both sides by 5
5 / 5 = 1y
25 / 5 = 5
therefore

y = 5


(What you do to one side, you do to the other).
User Allocated
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