Answer:
The number is 7.
Step-by-step explanation:
4n - 7 = 21 Add 7 on both sides
4n = 28 Isolate the variable by dividing 4 on both sides
n= 7
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Hope this helps!!!
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Thank You!!!
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Here is the solved answer for this question
heyy, I know you posted this on 2017 and got no answers yet, well i need it this answer and it wasn't here, so i know the answer
The answer is The first one
Thank u :)