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Simplifying 0 = x2 + 7 Reorder the terms: 0 = 7 + x2 Solving 0 = 7 + x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x2' to each side of the equation. 0 + -1x2 = 7 + x2 + -1x2 Remove the zero: -1x2 = 7 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -1x2 = 7 + 0 -1x2 = 7 Divide each side by '-1'. x2 = -7 Simplifying x2 = -7 Reorder the terms: 7 + x2 = -7 + 7 Combine like terms: -7 + 7 = 0 7 + x2 = 0 The solution to this equation could not be determined.
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