Question

A=x-y B=2x-5y hasil dari B-A

Answer 1

Verified answer

B - A = (2x - 5y) - (x - y)
         = 2x - 5y - x + y
         = x - 4y

Answer 2

Verified answer

B-A
=2x-5y-(x-y)
=2x-5y-x+y
=2x-x-5y+y
=x-4y
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