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I just have a question. I’ve been getting help with this problem. It doesn’t show it fully but it’s “ share of first person + share of second person+ share of third person=1”. On step b where it says 12-7-2/12, where is the 2 coming from. I understand the LCM part but I’m not seeing where the 2 comes from.

I just have a question. I’ve been getting help with this problem. It doesn’t show it fully but it’s “ share of first person + share of second person+ share of third person=1”. On step b where it says 12-7-2/12, where is the 2 coming from. I understand the LCM part but I’m not seeing where the 2 comes from.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.4: Mathematical Induction
Problem 46E
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I just have a question. I’ve been getting help with this problem. It doesn’t show it fully but it’s “ share of first person + share of second person+ share of third person=1”. On step b where it says 12-7-2/12, where is the 2 coming from. I understand the LCM part but I’m not seeing where the 2 comes from.
9:29 1 Expert Answer Step1 a) Given info: Share of first person + Share of second person 7 1 12 + 6 +x = 1 Step2 b) Note that when moving right to the equal sign, positive value becomes negative and vice versa. Thus, in the above expression, 12 and i moved to right side of the equal sign to find the unknown value x. Hence, it is written as follows: are Share of first person + Share of second person 7 1 12 6 + x = 1 7 1 1 - 12 12–7-2 (by taking L. C. M.) 12 3 ? I| ||
Transcribed Image Text:9:29 1 Expert Answer Step1 a) Given info: Share of first person + Share of second person 7 1 12 + 6 +x = 1 Step2 b) Note that when moving right to the equal sign, positive value becomes negative and vice versa. Thus, in the above expression, 12 and i moved to right side of the equal sign to find the unknown value x. Hence, it is written as follows: are Share of first person + Share of second person 7 1 12 6 + x = 1 7 1 1 - 12 12–7-2 (by taking L. C. M.) 12 3 ? I| ||
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