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Asked by Anonymous

how to substitute 3x+y=11
4x-5y= -22
12 years ago

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Answered by Damon
y = (11 - 3 x)

4 x - 5 (11 - 3 x) = -22

4 x - 55 + 15 x = -22

19 x = - 77 etc
12 years ago
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how to substitute 3x+y=11
4x-5y= -22

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