25schools: Zambia Quizzes | Master Grade 8 - 12

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Polynomials (G9)

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question 1 of 1 Grade: Nine - G9

Q: Solve the inequation 12 - 2k > k + 3.

Add the two equations: (2x + 5x) + (-y + y) = 5 + 16 => 7x = 21 => x = 3. Substitute into first: 2*3 - y = 5 => 6 - y = 5 => y = 1.

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Add the two equations: (2x + 5x) + (-y + y) = 5 + 16 => 7x = 21 => x = 3. Substitute into first: 2*3 - y = 5 => 6 - y = 5 => y = 1.

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Zambia