Question

"The sum of two consecutive numbers is 31."
If the LARGER of the two numbers is x, which of these equations represents the above fact?​

Answer 1

Answer: x+(x-1) = 31

Step-by-step explanation:

We are using here two consecutive numbers such that the sum is 31.

Larger of these numbers is 'x'. So, x+(x-1) = 31.

From here, 2x-1 = 31 ..............(Required Equation)

So, x = 16 and other number, x-1 = 15

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Answer 2

Answer:

$x + (x - 1) = 31$

$2x - 1 = 31 \\ 2x = 31 + 1 \\ 2x = 32 \\ x = \frac{32}{2} \\ x = 16$