Question

Write a linear equation in 2 variable if the cost of a notebook is twice the cost of a pen​

Answer 1

Step-by-step explanation:

Electrolysis is defined as a process of decomposing ionic compounds into their elements by passing a direct electric current through the compound in a fluid form. The cations are reduced at cathode and anions are oxidized at the anode

Answer 2

Answer:

let cost of notebook be x

let cost of pen be y

then,

2y=x