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Cassius
Mathematics
27 October, 04:12
8 + 8 (8 - n) = 40 + 8n
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Micaela Dudley
27 October, 04:27
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8 + 8 (8 - n) = 40 + 8n
8 + 64 - 8n = 40 + 8n distributed 8 on the left side
72 - 8n = 40 + 8n added like terms on the left side
32 - 8n = 8n subtracted 40 from both sides
32 = 16n added 8n to both sides
2 = n divided both sides by 2
Answer: n = 2
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Kenley Barajas
27 October, 04:29
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n=2
8+8 (8-n) = 40+8n (distribute 8 through the parenthesis)
8+64-8n=40-8n (add the numbers)
72-8n=40+8n (move the variable to the left side and change its sign)
72-8n+8n=40
-8n+8n=40-72 (connect like terms)
-16n = - 32 (divide both sides by - 16)
n=2
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