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Simplifying 4 = x2 + 7 Reorder the terms: 4 = 7 + x2 Solving 4 = 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. 4 + -1x2 = 7 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 4 + -1x2 = 7 + 0 4 + -1x2 = 7 Add '-4' to each side of the equation. 4 + -4 + -1x2 = 7 + -4 Combine like terms: 4 + -4 = 0 0 + -1x2 = 7 + -4 -1x2 = 7 + -4 Combine like terms: 7 + -4 = 3 -1x2 = 3 Divide each side by '-1'. x2 = -3 Simplifying x2 = -3 Reorder the terms: 3 + x2 = -3 + 3 Combine like terms: -3 + 3 = 0 3 + x2 = 0 The solution to this equation could not be determined.
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