Question

If 102y = 25, then 10-y equals:​

Answer 1

Explanation:

y = 25/102

10 - y = 10 - 25/102

= (1020-25)/25 Taking lcm

= 995/25

= 139/5 or 39.8

Answer 2

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102y = 25

(10y)2 = 52

10y = 5

1/10y = 1/5

10-y = 1/5✓✓✓

Hope it helps

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