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If k + 7 = 16, then the value of 8k – 72 is (a) 0 (b) 1 (c) 112 (d) 56

 If k + 7 = 16, then the value of 8k – 72 is (a) 0 (b) 1 (c) 112 (d) 56

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5964 Points
10 months ago
Dear Student

Option (a) is correct here
Consider the given equation k + 7 = 16
To find out the value of K.
Transpose 7 to right hand side then it becomes -7

k = 16–7

k =9
Then, the value of 8k–72 will be,

= (8 × 9)–72
= 72–72
=0

Thanks

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