3x —4y= l() and 5x —3y=24
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Step-by-step explanation:
3x-4y=1______(1)×5
5x-3y=24_______(2)×3
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15x-20y=5_________(1)
15x-9y=72_________(2)
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(2)-(1)
15x-9y=72
-15x+20y=-5
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(0)x+11y=67
y=67/11
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