what is (n-9) times 8 = 72

can you please answer this question in 10 mins please!!

Answers
If you mean (n-9)x8=72, and you want to find n (which I'm assuming is the case), then you need to expand your brackets out or divide by eight for each term. I'd recommend dividing by 8, which leaves you with: n-9 = 9 Then you add the 9 to both sides, meaning that n = 18 Alternatively, you can expand the brackets, multiplying each term inside them by 8. This gives you 8n - 72 = 72. You then add the 72, giving you 8n = 144, and divide by 8 which leaves you with n = 18. If you ever need additional help, contact me directly and I'll explain in more detail.
christopher_williams
14 November 2012
8n - 72 = 72 8n = 72 + 72 8n = 144 n = 144/8 then simplify
akmarb
24 November 2012
8(n-9) = 72
robert2957
05 December 2012
8(n-9) = 72 divide by 8 so n-9 = 9 so n = 9+9 = 18
robert2957
05 December 2012
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