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Equations with Three Variables

question 1 of 2 Grade: Ten - G10
question 1 of 2 Grade: Ten - G10

Q: Solve the system of equations: \(x + y + z = 6, x - y + z = 2, 2x + y - z = 3\).

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Did You Know?

To find inverse, set y = f(x): y = (3x - 5)/2. Swap x and y: x = (3y - 5)/2. Solve for y: 2x = 3y - 5, 3y = 2x + 5, y = (2x + 5)/3. So \(f^{-1}(x) = \frac{2x+5}{3}\).

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Did You Know?

To find inverse, set y = f(x): y = (3x - 5)/2. Swap x and y: x = (3y - 5)/2. Solve for y: 2x = 3y - 5, 3y = 2x + 5, y = (2x + 5)/3. So \(f^{-1}(x) = \frac{2x+5}{3}\).

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