Is x = 12 a solution of 3x + 3 = 39?

Type: MCQ • Marks: 1

A. Cannot be determined

B. Yes

C. No

D. Only if x is even

Explanation

Substitute x = 12: 3 × 12 + 3 = 39, which equals the RHS. So yes.

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Class 7th Ganita Prakash 2

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