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Simplifying 2x2 + 15 = 7 Reorder the terms: 15 + 2x2 = 7 Solving 15 + 2x2 = 7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + 2x2 = 7 + -15 Combine like terms: 15 + -15 = 0 0 + 2x2 = 7 + -15 2x2 = 7 + -15 Combine like terms: 7 + -15 = -8 2x2 = -8 Divide each side by '2'. x2 = -4 Simplifying x2 = -4 Reorder the terms: 4 + x2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + x2 = 0 The solution to this equation could not be determined.
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