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Simplifying 2a + -1b = 1 Solving 2a + -1b = 1 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add 'b' to each side of the equation. 2a + -1b + b = 1 + b Combine like terms: -1b + b = 0 2a + 0 = 1 + b 2a = 1 + b Divide each side by '2'. a = 0.5 + 0.5b Simplifying a = 0.5 + 0.5b

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