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What is the value of y in the equation y − 7 = 21? 7 17 21 28
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What is the value of y in the equation y − 7 = 21? 7 17 21 28

User MyICQ
by
7.7k points

2 Answers

1 vote

Answer:

28

Explanation:

just plug it in

28 - 7 = 21

:)

User SiggiSv
by
6.6k points
7 votes
Isolate the y

add 7 to both sides

y - 7 = 21

y - 7 (+7) = 21 (+7)

y = 21 + 7

y = 28

28 is your answer

hope this helps


User Ricka
by
7.4k points
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