Question

Form the pair of linear equations in two variables for the situation, “5 pens and 6 pencils together cost Rs. 9 and 3 pens and 2 pencils cost Rs. 5” (let cost of one pen be x and cost of one pencil be y) *
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Answer 1

Answer:

let cost of pencil x,pen y

6x+5y=9

3y+2x=5

supract both 4x+2y=4 ,2x+y=2

y=2-2x

6-6x+2x=5

6-4x=5

x=1/4

y=3/2

Answer 2

Answer:

same as the above answer plz mark him brainlist