How do I do 1 and 5?

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02-04-2018
Mathematics

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How do I do 1 and 5?

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LAGRHA15 LAGRHA15 · Answer 1 · 2018-04-03T00:37:57+02:00

I will show you how to do #5:

a). -20 + 2(n-1) Original Expression
-20 +2n - 2 Distributive Property
-22 + n Combine Like Terms

Final Expression: -22 + n

b). 1.5 + (-2.5)(n -1) Original Expression
1.5 + -2.5n + 2.5 Distributive Property
4 - 2.5n Combine Like Terms

Final Expression: 4 - 2.5n