5.2 If k + 7 = 16, what is the value of 8k - 72?
5.3 If 2y + 3 = 5, what is the value of 3y + 2
Answers
Answered by
4
Answer:
Solving the equation for k
k+7=16
⇒k=16−7
⇒k=9
∴8k−72
=(8×9)−72
=72−72
=0
Answered by
2
Answer:
Solving the equation for k
k+7=16
⇒k=16−7
⇒k=9
∴8k−72
=(8×9)−72
=72−72
=0
Hence, option (A) is correct.
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