EXERCISE81. The sum of three times a number and 15 is 42. Find the num – InterviewSolution

1.

EXERCISE81. The sum of three times a number and 15 is 42. Find the numberfmm twice a number, the result is 19. Find the

Answer»

Let x be the required number.

3x + 15 = 42

3x = 42 - 15

= 27

x = 27/3

= 9

Therefore, the required number is 9.

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