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OpenStudy (anonymous):
Substitution 2x + y = -11 3x - 4y = 11 Elimination 2x + 6y = -12 5x - 5y + 10 What is the solution -3x - 2y = -12 9x + 6y =9 x - y = 11 -x + y = -11
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OpenStudy (anonymous):
|dw:1380235004920:dw|substitutions
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