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Simplifying 2a + 3b = 81 Solving 2a + 3b = 81 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3b' to each side of the equation. 2a + 3b + -3b = 81 + -3b Combine like terms: 3b + -3b = 0 2a + 0 = 81 + -3b 2a = 81 + -3b Divide each side by '2'. a = 40.5 + -1.5b Simplifying a = 40.5 + -1.5b
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