Question

What should be subtracted from (x-y) to get 2y?​

Answer 1

Answer:

x - 3y

Step-by-step explanation:

let the number be a

According to the given condition,

(x - y) - a = 2y.

- a = 2y- (x - y).

a = -2y + x - y.

a = x - 3y.

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