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Simplifying 18x2 + 2 + -1[8(x2 + -3) + 7] = 0 Reorder the terms: 18x2 + 2 + -1[8(-3 + x2) + 7] = 0 18x2 + 2 + -1[(-3 * 8 + x2 * 8) + 7] = 0 18x2 + 2 + -1[(-24 + 8x2) + 7] = 0 Reorder the terms: 18x2 + 2 + -1[-24 + 7 + 8x2] = 0 Combine like terms: -24 + 7 = -17 18x2 + 2 + -1[-17 + 8x2] = 0 18x2 + 2 + [-17 * -1 + 8x2 * -1] = 0 18x2 + 2 + [17 + -8x2] = 0 Reorder the terms: 2 + 17 + 18x2 + -8x2 = 0 Combine like terms: 2 + 17 = 19 19 + 18x2 + -8x2 = 0 Combine like terms: 18x2 + -8x2 = 10x2 19 + 10x2 = 0 Solving 19 + 10x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + 10x2 = 0 + -19 Combine like terms: 19 + -19 = 0 0 + 10x2 = 0 + -19 10x2 = 0 + -19 Combine like terms: 0 + -19 = -19 10x2 = -19 Divide each side by '10'. x2 = -1.9 Simplifying x2 = -1.9 Reorder the terms: 1.9 + x2 = -1.9 + 1.9 Combine like terms: -1.9 + 1.9 = 0.0 1.9 + x2 = 0.0 The solution to this equation could not be determined.
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