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OpenStudy (anonymous):
Solve the system of equations by substitution. What is the solution for x? 2x + y = 1 4x + 2y = −1
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OpenStudy (anonymous):
{2*x + y = 1, 4*x + 2*y = -1} Divide each side of the second equation by 2. {2*x + y = 1, 2*x + y = -1/2} 1 does not equal -1/2 There is no solution.
hero (hero):
2x + y = 1 2x + y = -1/2 False
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