subtract by horizontal method - x - y from x + y
Answers
Answered by
4
Answer:
2x+2y
Step-by-step explanation:
=x+y -(-x-y)
=x+y+x+y
=(x+x)+(y+y)
(regrouping like terms)
=2x+2y
Answered by
0
Answer:
2x+2y
Step-by-step explanation:
=x+y -(-x-y)
=x+y+x+y
=(x+x)+(y+y)
=2x+2y
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