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Simplifying 9x2 + x + 7whenx = -2 Reorder the terms: 7ehnwx + x + 9x2 = -2 Solving 7ehnwx + x + 9x2 = -2 Solving for variable 'e'. Move all terms containing e to the left, all other terms to the right. Add '-1x' to each side of the equation. 7ehnwx + x + -1x + 9x2 = -2 + -1x Combine like terms: x + -1x = 0 7ehnwx + 0 + 9x2 = -2 + -1x 7ehnwx + 9x2 = -2 + -1x Add '-9x2' to each side of the equation. 7ehnwx + 9x2 + -9x2 = -2 + -1x + -9x2 Combine like terms: 9x2 + -9x2 = 0 7ehnwx + 0 = -2 + -1x + -9x2 7ehnwx = -2 + -1x + -9x2 Divide each side by '7hnwx'. e = -0.2857142857h-1n-1w-1x-1 + -0.1428571429h-1n-1w-1 + -1.285714286h-1n-1w-1x Simplifying e = -0.2857142857h-1n-1w-1x-1 + -0.1428571429h-1n-1w-1 + -1.285714286h-1n-1w-1x Reorder the terms: e = -0.1428571429h-1n-1w-1 + -0.2857142857h-1n-1w-1x-1 + -1.285714286h-1n-1w-1x
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