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Simplifying x2 + 4 = a Reorder the terms: 4 + x2 = a Solving 4 + x2 = a Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x2 = -4 + a Combine like terms: 4 + -4 = 0 0 + x2 = -4 + a x2 = -4 + a Simplifying x2 = -4 + a Reorder the terms: 4 + -1a + x2 = -4 + a + 4 + -1a Reorder the terms: 4 + -1a + x2 = -4 + 4 + a + -1a Combine like terms: -4 + 4 = 0 4 + -1a + x2 = 0 + a + -1a 4 + -1a + x2 = a + -1a Combine like terms: a + -1a = 0 4 + -1a + x2 = 0 The solution to this equation could not be determined.
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