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Simplifying 13x2 + 7 + -1[7(x2 + -6) + 9] = 0 Reorder the terms: 13x2 + 7 + -1[7(-6 + x2) + 9] = 0 13x2 + 7 + -1[(-6 * 7 + x2 * 7) + 9] = 0 13x2 + 7 + -1[(-42 + 7x2) + 9] = 0 Reorder the terms: 13x2 + 7 + -1[-42 + 9 + 7x2] = 0 Combine like terms: -42 + 9 = -33 13x2 + 7 + -1[-33 + 7x2] = 0 13x2 + 7 + [-33 * -1 + 7x2 * -1] = 0 13x2 + 7 + [33 + -7x2] = 0 Reorder the terms: 7 + 33 + 13x2 + -7x2 = 0 Combine like terms: 7 + 33 = 40 40 + 13x2 + -7x2 = 0 Combine like terms: 13x2 + -7x2 = 6x2 40 + 6x2 = 0 Solving 40 + 6x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-40' to each side of the equation. 40 + -40 + 6x2 = 0 + -40 Combine like terms: 40 + -40 = 0 0 + 6x2 = 0 + -40 6x2 = 0 + -40 Combine like terms: 0 + -40 = -40 6x2 = -40 Divide each side by '6'. x2 = -6.666666667 Simplifying x2 = -6.666666667 Reorder the terms: 6.666666667 + x2 = -6.666666667 + 6.666666667 Combine like terms: -6.666666667 + 6.666666667 = 0.000000000 6.666666667 + x2 = 0.000000000 The solution to this equation could not be determined.
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