Answer:
9b+8n+4x+9
Hope that helps!
(9b+7)+(4x-3)+(8n+5) = 9b + 8n + 4x + 9
Explanation:
(9b+7)+(4x-3)+(8n+5)=?
= 9b + 7 + 4x - 3 + 8n + 5
= 9b + 8n + 4x + 9
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