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Simplifying -3x2 + 7 = 31 Reorder the terms: 7 + -3x2 = 31 Solving 7 + -3x2 = 31 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3x2 = 31 + -7 Combine like terms: 7 + -7 = 0 0 + -3x2 = 31 + -7 -3x2 = 31 + -7 Combine like terms: 31 + -7 = 24 -3x2 = 24 Divide each side by '-3'. x2 = -8 Simplifying x2 = -8 Reorder the terms: 8 + x2 = -8 + 8 Combine like terms: -8 + 8 = 0 8 + x2 = 0 The solution to this equation could not be determined.
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