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Simplifying 3x2 + 7 + -5x2 = 4x2 + 16 Reorder the terms: 7 + 3x2 + -5x2 = 4x2 + 16 Combine like terms: 3x2 + -5x2 = -2x2 7 + -2x2 = 4x2 + 16 Reorder the terms: 7 + -2x2 = 16 + 4x2 Solving 7 + -2x2 = 16 + 4x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x2' to each side of the equation. 7 + -2x2 + -4x2 = 16 + 4x2 + -4x2 Combine like terms: -2x2 + -4x2 = -6x2 7 + -6x2 = 16 + 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 7 + -6x2 = 16 + 0 7 + -6x2 = 16 Add '-7' to each side of the equation. 7 + -7 + -6x2 = 16 + -7 Combine like terms: 7 + -7 = 0 0 + -6x2 = 16 + -7 -6x2 = 16 + -7 Combine like terms: 16 + -7 = 9 -6x2 = 9 Divide each side by '-6'. x2 = -1.5 Simplifying x2 = -1.5 Reorder the terms: 1.5 + x2 = -1.5 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 1.5 + x2 = 0.0 The solution to this equation could not be determined.
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