Question about MathRescue Word Problems Of Algebra Lite
Given "2R-3S=-10", then "6R-9S=-30".
Given "3R 2S=37", then "6R 4S=74".
Subtract the two equations: "6R-6R 4S --9S = 74 --30",
which reduces to: "4S --9S=104".
Note that 'R' has been eliminated from the equation, as requested.
Solving for 'S' is left as an exercise for the reader.
Posted on Sep 03, 2010
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Posted on Jan 02, 2017
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