Question

a. The cost of a notebook is twice the cost of
a pen. Write a linear equation in two variable to represent this statement.​

Answer 1

Answer:

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Answer 2

answer , with quality:

let,

note book = x

pen = y

cost of note book = twice if the cost of a pen

x = 2y

bring all variables one side......

x - 2y = 0

NOTE : X² / X always be a positive number