Asked by Rissa
Solve by elimination
5r-3s=13
3r+5s=69
5r-3s=13
3r+5s=69
Answers
Answered by
Damon
15 r - 9 s = 39
15 r + 25s = 345
add negative of second to first
0 r -34 s = -306
s = 9 etc
15 r + 25s = 345
add negative of second to first
0 r -34 s = -306
s = 9 etc
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