Question

2) Which of the following values makes the given equation correct?
2n + 5 = 15
(2, 4, 5, 7)​

Answer 1

5 is the correct answer

2(5) + 5 = 15

10 + 5 = 15

15 = 15

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Answer 2

here

Step-by-step explanation:

Putting the value of n as 2 in the given equation

2(2) + 5 = 15

or , 4+ 5 = 15

or , 9 is not equal to 15 .

putting 4 in the given equation

2(4) + 5 = 15

or , 8 +5=15

or , 13 is not = 15

now , putting the value of n as 5 in the equation

2(5) +5 = 15

or , 10 + 5 = 15

or , 15 =15 .

hence n = 5 .