Math Question and Answers


Question and Answers Forum

All Questions Topic List
Algebra Questions
Previous in All Question Next in All Question
Previous in Algebra Next in Algebra
Question Number 11212 by uni last updated on 17/Mar/17

	Answered by mrW1 last updated on 17/Mar/17

	$2 x = 25 - 5 y = 5 (5 - y)$ $x = \frac{5 (5 - y)}{2}$ $5 - y m u s t b e e v e n :$ $\Rightarrow 5 - y = 2 k, k \in N$ $y = 5 - 2 k > 0$ $x = 5 k > 0$ $0 < k < \frac{5}{2}$ $\Rightarrow k = 1 o r 2$ $\Rightarrow y = 3 o r 1$ $\Rightarrow x = 5 o r 10$ $s u m o f y^{'} s = 3 + 1 = 4$
Terms of Service
Privacy Policy
Contact: info@tinkutara.com

Question and Answers Forum