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OpenStudy (anonymous):
Solve using substitution: 4x − y − 4 = 0 7y = 29 + 9x
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OpenStudy (anonymous):
Solve using substitution: -x + 2y = -7 10y − 5x = 21 Solve using substitution: 4x − y − 4 = 0 7y = 29 + 9x Solve using substitution: -y − 5x = -7 2y − 2x = 14 this about all i can do
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