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VLD [36.1K]
3 years ago
14

Find the value of 7 Y if 3 bracket Y - 1 bracket is equal 21​

Mathematics
1 answer:
lawyer [7]3 years ago
8 0

Answer:

7y = 56

Step-by-step explanation:

3(y - 1) = 21

Divide 3 on both sides:

y - 1 = 7

Add 1 to both sides:

y = 8

Multiply by 7 on both sides:

7y = 56

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