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Simplifying 3x2 + 7 = -9x2 + 4 Reorder the terms: 7 + 3x2 = -9x2 + 4 Reorder the terms: 7 + 3x2 = 4 + -9x2 Solving 7 + 3x2 = 4 + -9x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9x2' to each side of the equation. 7 + 3x2 + 9x2 = 4 + -9x2 + 9x2 Combine like terms: 3x2 + 9x2 = 12x2 7 + 12x2 = 4 + -9x2 + 9x2 Combine like terms: -9x2 + 9x2 = 0 7 + 12x2 = 4 + 0 7 + 12x2 = 4 Add '-7' to each side of the equation. 7 + -7 + 12x2 = 4 + -7 Combine like terms: 7 + -7 = 0 0 + 12x2 = 4 + -7 12x2 = 4 + -7 Combine like terms: 4 + -7 = -3 12x2 = -3 Divide each side by '12'. x2 = -0.25 Simplifying x2 = -0.25 Reorder the terms: 0.25 + x2 = -0.25 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.25 + x2 = 0.00 The solution to this equation could not be determined.
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