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Simplifying 180 + -1b = 2a Solving 180 + -1b = 2a Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-180' to each side of the equation. 180 + -180 + -1b = -180 + 2a Combine like terms: 180 + -180 = 0 0 + -1b = -180 + 2a -1b = -180 + 2a Divide each side by '-1'. b = 180 + -2a Simplifying b = 180 + -2a
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