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Simplifying 2x2 + -7 = -169 Reorder the terms: -7 + 2x2 = -169 Solving -7 + 2x2 = -169 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 2x2 = -169 + 7 Combine like terms: -7 + 7 = 0 0 + 2x2 = -169 + 7 2x2 = -169 + 7 Combine like terms: -169 + 7 = -162 2x2 = -162 Divide each side by '2'. x2 = -81 Simplifying x2 = -81 Reorder the terms: 81 + x2 = -81 + 81 Combine like terms: -81 + 81 = 0 81 + x2 = 0 The solution to this equation could not be determined.
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