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Linear Equation in 2 Variables

Father's age ...

Question

Father's age is $10$ more than twice age of his son. What is the number of variables if the statement is written in the form of linear equation?

A

One

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B

Two

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C

Multivariable

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D

Non-linear

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Solution

The correct option is A Two
Let father's age is $x$ .
Son's age is $y$
$x = 2 y + 10$
$∴$ The equation is in two variable.

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