solve this algebra question... please.
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Answered by
1
Answer:
8x + 9y.
Step-by-step explanation:
7x + 8y - (- x - y )
=> 7x + 8y -(-x) -(-y)
=> 7x + 8y +x + y
=> 8x + 9y.
Answered by
0
Step-by-step explanation:
Hope this will help you
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