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Ivenika [448]
3 years ago
8

Help ASAP I need to know

Mathematics
1 answer:
Andrej [43]3 years ago
4 0

Answer:

Step-by-step explanation:

ax + by = c

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Solve for n. <br><br><br> 4(n-7)-(2-5n)=8n
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Answer:

n = 30

Step-by-step explanation:

4(n - 7) - (2- 5n) = 8n ← distribute parenthesis on left side

4n - 28 - 2 + 5n = 8n

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n - 30 = 0 ( add 30 to both sides )

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Step-by-step explanation:

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A box is 10 inches long, 3 inches wide and, 4 inches high. What is the surface area, in square inches, of a closed box?
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