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Simplifying 2x2 + kx + -4 = y Reorder the terms: -4 + kx + 2x2 = y Solving -4 + kx + 2x2 = y Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '4' to each side of the equation. -4 + kx + 4 + 2x2 = 4 + y Reorder the terms: -4 + 4 + kx + 2x2 = 4 + y Combine like terms: -4 + 4 = 0 0 + kx + 2x2 = 4 + y kx + 2x2 = 4 + y Add '-2x2' to each side of the equation. kx + 2x2 + -2x2 = 4 + -2x2 + y Combine like terms: 2x2 + -2x2 = 0 kx + 0 = 4 + -2x2 + y kx = 4 + -2x2 + y Divide each side by 'x'. k = 4x-1 + -2x + x-1y Simplifying k = 4x-1 + -2x + x-1y Reorder the terms: k = 4x-1 + x-1y + -2x
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