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Asked by Young

Substitution 3x+2y=21 2x+4y=22
3 years ago

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Answered by oobleck
3x+2y = 21 ... double that to get
6x+4y = 42
2x+4y = 22
subtract to get
4x = 20
Now finish it off.
3 years ago
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Substitution 3x+2y=21 2x+4y=22

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