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If a=x+y and b=x-y show that (a+b)=4x

If a=x+y and b=x-y show that (a+b)=4x
asked 203k views
20 votes
If a=x+y and b=x-y show that (a+b)=4x

asked
User Ellyn
by
8.6k points

1 Answer

10 votes

Answer:

Explanation:

a=x+y

b=x-y

add

a+b=2x

answered
User Phlya
by
8.9k points
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