The linear equation 2x+5 = __________ can represent the age of two siblings which differ by 5 years and their ages add up to give 25.

zero

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Solution

The correct option is B
25

Since, the ages of the two siblings differ by 5 years, their ages will be x and x + 5.

Sum of ages = 25 (Given)

So, required equation is: x + x + 5 = 25 or 2x + 5 = 25

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