Question

Frame the linear equation in two variables. The price of 3 pens and 2 notebook is 170 rupees​

Answer 1

price of 3 pen be 3x

price of 2 notebook be 2y

then the equation be

answer:-3x+2y-170=0

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Answer 2

Answer:

The linear equation in two variables is 3x + 4y =170.

Step-by-step explanation:

Given,

The price of 3 pens and 2 notebooks is 170 rupees.

To find,

Frame the linear equation in two variables using the price of 3 pens and 2 notebooks.

Concept,

The linear equation in the two variables looks like

ax + by = c

Where 'a', 'b', and 'c' are the constants.

'x' and 'y' are the variables and decide the value of 'c'.

Assumption,

Let the price of one pen be 'x'

Let the price of one notebook be 'y'

Calculation,

If the price of one pen is x, then the price of 3 pens will be 3x

Similarly, if the price of one notebook is y, then the price of 2 notebooks is 2y.

Then the total price is equal to 170

So mathematically we can write as,

3x + 2y = 170

Therefore, the linear equation in two variables is 3x + 4y =170.

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