4x/5 of 2x Laptops and x/3 of x Desktops were not sold.
A linear equation is an alzebraic expression which has highest degree of 1 and it contains 1 variable.
Assuming the total number of Desktops to be x and the total number of Laptops to be 2x.
3/5th of the laptops are sold. So 2/5th of 2x =(3/5 × 2x) = 6x/5
Renaming Laptops = (2x - 6x/5 ) = 4x/5 laptops.
2/3rd of Desktops are sold. So 2/3rd of x = ( x × 2/3 ) = 2x/3
Remaining desktops = ( x - 2x/3 ) = x/3 Desktops.
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