Is x = 4 a solution of 9x + 12 = 48?

Type: MCQ • Marks: 1

A. Only if x is even

B. Cannot be determined

C. Yes

D. No

Explanation

Substitute x = 4: 9 × 4 + 12 = 48, which equals the RHS. So yes.

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Class 7th Ganita Prakash 2

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