Math, asked by chhakuli984, 1 year ago

construct a word problem on simultaneous linear eqns in two variables so that the value of one of the variables will be 10.(persons rupees...etc)
solve..
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Answers

Answered by onlinewithaalia
6

Problem:

If twice the age of son is added to the age of the father, the sum is 56; But if twice the age of the father is added to the age of the son, the sum is 82. Find the ages of father and son, respectively.

Answer:

Let the age of son be x and age of father be y.

Given 2x + y = 56

x + 2y = 82

On solving (1) and (2), we get

2x + y - 2x - 4y = 56 - 164

-3y = -108

y = 36.

Substitute y in any above equations, we get

2x + 36 = 56

2x = 20

x = 10

The age of the father is 36 and the age of son is 10 years.

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