Question

linear equation questions word sums​

Answer 1

Answer:

. The sum of two numbers is 25. One of the numbers exceeds the other by 9. Find the numbers.

Solution:

Then the other number = x + 9

Let the number be x.

Sum of two numbers = 25

According to question, x + x + 9 = 25

⇒ 2x + 9 = 25

⇒ 2x = 25 - 9 (transposing 9 to the R.H.S changes to -9)

⇒ 2x = 16

⇒ 2x/2 = 16/2 (divide by 2 on both the sides)

⇒ x = 8

Therefore, x + 9 = 8 + 9 = 17

Therefore, the two numbers are 8 and 17.

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Answer 2

Answer:

A father's age is 2 times more than his son in the present. Before two years father's age was 1/3 times than 0.5 times his son. Find their present ages.

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