SamTheGreat SamTheGreat

22-03-2016
Mathematics

contestada

4(k + 10) + k

Simplify each expression using the properties of numbers.

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SmarticalParticals SmarticalParticals

22-03-2016

First distributive property of multiplication...

4 (k+10) + k =
4k + 40 + k =

Now commutative property of addition...

4k + k + 40 =
5k + 40 =
k = 40/5 = 8

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