Question

3.
Subtract by horizontal method.


(b) 2x - 4y from - 4x + 3y
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Answer 1

Answer:

-6x +7y

Step-by-step explanation:

-4x + 3y - ( 2x -4y)

-4x +3y -2x +4y

now group like terms

(-4x -2x) & (+3y +4y)

-6x +7y

Answer 2

7y - 6x

Step-by-step explanation:

(-4x +3y) - ( 2x - 4y )

= -4x + 3y - 2x + 4y

= -4x - 2x + 3y + 4y

= -6x + 7y or 7y - 6x