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Simplifying 16x2 + ax + 9 = 0 Reorder the terms: 9 + ax + 16x2 = 0 Solving 9 + ax + 16x2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + ax + -9 + 16x2 = 0 + -9 Reorder the terms: 9 + -9 + ax + 16x2 = 0 + -9 Combine like terms: 9 + -9 = 0 0 + ax + 16x2 = 0 + -9 ax + 16x2 = 0 + -9 Combine like terms: 0 + -9 = -9 ax + 16x2 = -9 Add '-16x2' to each side of the equation. ax + 16x2 + -16x2 = -9 + -16x2 Combine like terms: 16x2 + -16x2 = 0 ax + 0 = -9 + -16x2 ax = -9 + -16x2 Divide each side by 'x'. a = -9x-1 + -16x Simplifying a = -9x-1 + -16x
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