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OpenStudy (anonymous):
Provide an example that uses the substitution method to solve two linear equations.
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OpenStudy (anonymous):
3x + y = 7 2x - 3y = 1 y = 7 - 3x 2x - 3(7 - 3x) = 1 2x - 21 - 9x = 1 11x = 22 x = 2 y = 7 - 3(2) = 7-6 = 1
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