Question

The cost of a pen is rupees 5 more than three times the cost of a pencil’. Taking cost of pen as and pencil as y . Which of these following linear equations in two variables represents the above statement.

(a) x-3y= 5

(b) 3x-y= 5

© 3x+y= 5

(d) x+3y= 5

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Answer 1

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the cost of pen is 5 rupee

More than three time the cost of pencil = y

the cost pencil is = x-3y= 5

5+x-3y

to you will be make the opposite of this number to answer is x-3y=5

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