exam Maths Puzzle Numerical Ability

Solve using Cramer's rule or determine that the system is inconsistent or contains dependent equations:

x + 2y - 3 = 0
12 = 8y + 4x

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exam Other Question
Graph using the intercept method: x + 3y = 6. Can you help me solve this equation for s?.... s = p - 2 = 7 - 2 = 5


and help solve this one for c?.... c = 4 * p = 4 * 7 = 28


please and thank you!!