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Simplifying 13x2 + 4 + -1[5(x2 + -7) + 8] = 0 Reorder the terms: 13x2 + 4 + -1[5(-7 + x2) + 8] = 0 13x2 + 4 + -1[(-7 * 5 + x2 * 5) + 8] = 0 13x2 + 4 + -1[(-35 + 5x2) + 8] = 0 Reorder the terms: 13x2 + 4 + -1[-35 + 8 + 5x2] = 0 Combine like terms: -35 + 8 = -27 13x2 + 4 + -1[-27 + 5x2] = 0 13x2 + 4 + [-27 * -1 + 5x2 * -1] = 0 13x2 + 4 + [27 + -5x2] = 0 Reorder the terms: 4 + 27 + 13x2 + -5x2 = 0 Combine like terms: 4 + 27 = 31 31 + 13x2 + -5x2 = 0 Combine like terms: 13x2 + -5x2 = 8x2 31 + 8x2 = 0 Solving 31 + 8x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-31' to each side of the equation. 31 + -31 + 8x2 = 0 + -31 Combine like terms: 31 + -31 = 0 0 + 8x2 = 0 + -31 8x2 = 0 + -31 Combine like terms: 0 + -31 = -31 8x2 = -31 Divide each side by '8'. x2 = -3.875 Simplifying x2 = -3.875 Reorder the terms: 3.875 + x2 = -3.875 + 3.875 Combine like terms: -3.875 + 3.875 = 0.000 3.875 + x2 = 0.000 The solution to this equation could not be determined.
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