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Simplifying 69(a + 2) = 66 Reorder the terms: 69(2 + a) = 66 (2 * 69 + a * 69) = 66 (138 + 69a) = 66 Solving 138 + 69a = 66 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-138' to each side of the equation. 138 + -138 + 69a = 66 + -138 Combine like terms: 138 + -138 = 0 0 + 69a = 66 + -138 69a = 66 + -138 Combine like terms: 66 + -138 = -72 69a = -72 Divide each side by '69'. a = -1.043478261 Simplifying a = -1.043478261
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