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Simplifying -18 + -1a2 + -9a2 = 0 Combine like terms: -1a2 + -9a2 = -10a2 -18 + -10a2 = 0 Solving -18 + -10a2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '18' to each side of the equation. -18 + 18 + -10a2 = 0 + 18 Combine like terms: -18 + 18 = 0 0 + -10a2 = 0 + 18 -10a2 = 0 + 18 Combine like terms: 0 + 18 = 18 -10a2 = 18 Divide each side by '-10'. a2 = -1.8 Simplifying a2 = -1.8 Reorder the terms: 1.8 + a2 = -1.8 + 1.8 Combine like terms: -1.8 + 1.8 = 0.0 1.8 + a2 = 0.0 The solution to this equation could not be determined.
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