Question

Subtract

1) -8xy from -7xy

2) (x - y) from (4y-5x)


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Answer 1

$ANSWER$

1) -1xy

2) (3y-4x)

Answer 2

Answer:

1)

= -7xy - ( -8xy )

= -7xy + 8xy

= 1xy or xy

2

= 4y - 5x - ( x-y)

= 4y - 5x - x + y

= 3y - 4x

hope it helps you