Which value satisfies 9x + 9 = 72?

Type: MCQ • Marks: 1

A. x = 8

B. x = 7

C. x = 9

D. x = 72

Explanation

Substitute x = 7: 9 × 7 + 9 = 72. So x = 7 is the solution.

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Class 7th Ganita Prakash 2

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