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Simplifying 4x2 + 7 = x2 + -5 Reorder the terms: 7 + 4x2 = x2 + -5 Reorder the terms: 7 + 4x2 = -5 + x2 Solving 7 + 4x2 = -5 + 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. 7 + 4x2 + -1x2 = -5 + x2 + -1x2 Combine like terms: 4x2 + -1x2 = 3x2 7 + 3x2 = -5 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 7 + 3x2 = -5 + 0 7 + 3x2 = -5 Add '-7' to each side of the equation. 7 + -7 + 3x2 = -5 + -7 Combine like terms: 7 + -7 = 0 0 + 3x2 = -5 + -7 3x2 = -5 + -7 Combine like terms: -5 + -7 = -12 3x2 = -12 Divide each side by '3'. 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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