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Simplifying 9x2 + 12 + -6 = x2 + -7 Reorder the terms: 12 + -6 + 9x2 = x2 + -7 Combine like terms: 12 + -6 = 6 6 + 9x2 = x2 + -7 Reorder the terms: 6 + 9x2 = -7 + x2 Solving 6 + 9x2 = -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. 6 + 9x2 + -1x2 = -7 + x2 + -1x2 Combine like terms: 9x2 + -1x2 = 8x2 6 + 8x2 = -7 + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 6 + 8x2 = -7 + 0 6 + 8x2 = -7 Add '-6' to each side of the equation. 6 + -6 + 8x2 = -7 + -6 Combine like terms: 6 + -6 = 0 0 + 8x2 = -7 + -6 8x2 = -7 + -6 Combine like terms: -7 + -6 = -13 8x2 = -13 Divide each side by '8'. x2 = -1.625 Simplifying x2 = -1.625 Reorder the terms: 1.625 + x2 = -1.625 + 1.625 Combine like terms: -1.625 + 1.625 = 0.000 1.625 + x2 = 0.000 The solution to this equation could not be determined.
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