Answers

2016-06-27T18:31:28+08:00
The value of N are:
1. 20
2. 180
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2016-06-27T18:34:47+08:00
2n + 5 =45 Additive inverse 2n +5 =45 -5. -5 2n =40 Divide it into 2 2n/2 = 40/2 N= 8 N= 10(7+11) Distributive property N= 70+110 N= 180
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