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Simplifying -3x2 + -21 = 45 Reorder the terms: -21 + -3x2 = 45 Solving -21 + -3x2 = 45 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 21 + -3x2 = 45 + 21 Combine like terms: -21 + 21 = 0 0 + -3x2 = 45 + 21 -3x2 = 45 + 21 Combine like terms: 45 + 21 = 66 -3x2 = 66 Divide each side by '-3'. x2 = -22 Simplifying x2 = -22 Reorder the terms: 22 + x2 = -22 + 22 Combine like terms: -22 + 22 = 0 22 + x2 = 0 The solution to this equation could not be determined.
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