the value of n if 3 (n-5) =21
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Answered by
7
Answer:
Step-by-step explanation:
3n-15 = 21 (by expanidng the brackets)
3n = 21+15 (by moving like terms together)
3n=36
n=12
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Answered by
5
Step-by-step explanation:
=> (3×n) - (3×5) = 21 [ by distributive property]
=> 3n - 15 = 21
=> n - 15 = 21 / 3
=> n = 7 + 15
=> n = 22
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- akshatrakesh77
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