<PRE><B>Question 1106602</B>
duplicate


Most of the work is shown in previous post

See  https://www.algebra.com/algebra/homework/coordinate/Linear-systems.faq.question.1106594.html

(used point labels for lines there)

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You should at first find that slope for PQ is {{{-2/(1-n)}}} and slope for RS is {{{-2/3}}}.

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