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