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Mathematics
Justice Joseph
1 July, 15:15
What's 5n+7=21 it's a two step equation
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River
1 July, 18:27
0
n = 2.8
Step-by-step explanation:
We need to solve the equation 5n+7 = 21 to find the value of n.
Adding - 7 on both sides
5n + 7 - 7 = 21 - 7
5n = 14
Dividing both sides by 5
5n/5 = 14/5
n = 14/5
n = 2.8
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