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OpenStudy (anonymous):
Henri solved the system of equations below. What mistake did he make in his work? 3x + y = 6 x − 2y = 2 y = 6 − 3x x − 2(6 − 3x) = 2 x − 12 + 6x = 2 7x − 12 = 2 + 12 +12 x = 2 3(2) + y = 6 6 + y = 6 −6 −6 y = 0 He should have substituted 6 + 3x. He combined like terms incorrectly. It should have been 5x instead of 7x. He made a mistake in distributing −2. He made no mistake.
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OpenStudy (anonymous):
the third
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