Find an expression which represents the difference when (4x – 2y) is subtracted from (4x – 5y) in simplest terms.

-3y

Step-by-step explanation:

"(4x – 2y) subtracted from (4x – 5y)"

(4x – 5y) - (4x – 2y) =

Drop the first set of parentheses since it is unnecessary.

= 4x – 5y - (4x – 2y)

Distribute the negative sign to the left of the parentheses by changing each sign inside the parentheses.

= 4x – 5y - 4x + 2y

Combine like terms.

= 4x - 4x - 5y + 2y

= 0 - 3y

= -3y

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

step-by-step explanation:

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