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Simplifying 8x2 + 18 + 81 = 90 Reorder the terms: 18 + 81 + 8x2 = 90 Combine like terms: 18 + 81 = 99 99 + 8x2 = 90 Solving 99 + 8x2 = 90 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-99' to each side of the equation. 99 + -99 + 8x2 = 90 + -99 Combine like terms: 99 + -99 = 0 0 + 8x2 = 90 + -99 8x2 = 90 + -99 Combine like terms: 90 + -99 = -9 8x2 = -9 Divide each side by '8'. x2 = -1.125 Simplifying x2 = -1.125 Reorder the terms: 1.125 + x2 = -1.125 + 1.125 Combine like terms: -1.125 + 1.125 = 0.000 1.125 + x2 = 0.000 The solution to this equation could not be determined.
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