Consecutive 31611

The sum of two consecutive natural numbers, of which the greater is 4x, equals the number 55. Determine the number x.

Correct answer:

x =  7

Step-by-step explanation:


4x + (4x-1) = 55

4·x + (4·x-1) = 55

8x = 56


x = 56/8 = 7

x = 7

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