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Simplifying 12x2 + -21 = -9n Reorder the terms: -21 + 12x2 = -9n Solving -21 + 12x2 = -9n 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 + 12x2 = 21 + -9n Combine like terms: -21 + 21 = 0 0 + 12x2 = 21 + -9n 12x2 = 21 + -9n Divide each side by '12'. x2 = 1.75 + -0.75n Simplifying x2 = 1.75 + -0.75n Reorder the terms: -1.75 + 0.75n + x2 = 1.75 + -0.75n + -1.75 + 0.75n Reorder the terms: -1.75 + 0.75n + x2 = 1.75 + -1.75 + -0.75n + 0.75n Combine like terms: 1.75 + -1.75 = 0.00 -1.75 + 0.75n + x2 = 0.00 + -0.75n + 0.75n -1.75 + 0.75n + x2 = -0.75n + 0.75n Combine like terms: -0.75n + 0.75n = 0.00 -1.75 + 0.75n + x2 = 0.00 The solution to this equation could not be determined.
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