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Simplifying -3(x2 + -6) = 81 Reorder the terms: -3(-6 + x2) = 81 (-6 * -3 + x2 * -3) = 81 (18 + -3x2) = 81 Solving 18 + -3x2 = 81 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -3x2 = 81 + -18 Combine like terms: 18 + -18 = 0 0 + -3x2 = 81 + -18 -3x2 = 81 + -18 Combine like terms: 81 + -18 = 63 -3x2 = 63 Divide each side by '-3'. x2 = -21 Simplifying x2 = -21 Reorder the terms: 21 + x2 = -21 + 21 Combine like terms: -21 + 21 = 0 21 + x2 = 0 The solution to this equation could not be determined.
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