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Math Problem, Zelaron Come Together
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Posted 2004-11-18, 04:43 PM in reply to
Shining Knights
's post starting
"It matters not whether you win or lose;..."
ELIMINATION
2x+y=5 2x (x+y=3) = 2x+2y=6
- x+y=3 2x+2y=6
x=2 - 2x+y=5
y=1
OR
SUBSTITUTION
x=3-y 2x+y=5 -----> 2(3-y)+y=5 ---------> 6-2y+y=5 -------> -y=-1 or y=1
OR
COMPARISON
y=5-2x and y=3-x ------> 5-2x=3-x x=2
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