30-09-2016
Mathematics

contestada

I need to simplify
9+.5(7n-26)-8n by 10 PM!

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JuliaYoungwonKo17 JuliaYoungwonKo17

30-09-2016

Answer: -4.5n - 4

Calculation/Explanation:
Distribute;
9 + (0.5)(7n) + (0.5)(-26) + -8n
= 9 + 3.5n + -13 + -8n

Combine Like Terms:
= 9 + 3.5n + -13 + -8n
= (3.5n + -8n) + (9 + -13)
= -4.5n + -4

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