Question

1. 8x + 2y = 30; 7x + 2y = 24

Explanation:

Step1: Subtract the two equations

Subtract the second equation \(7x + 2y = 24\) from the first equation \(8x + 2y = 30\) to eliminate \(y\).

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Step2: Substitute x into one equation

Substitute \(x = 6\) into the second equation \(7x + 2y = 24\) to find \(y\).

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Answer:

\(x = 6\), \(y = -9\)