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Simplifying 5 = 2a + b Solving 5 = 2a + b Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2a' to each side of the equation. 5 + -2a = 2a + -2a + b Combine like terms: 2a + -2a = 0 5 + -2a = 0 + b 5 + -2a = b Add '-5' to each side of the equation. 5 + -5 + -2a = -5 + b Combine like terms: 5 + -5 = 0 0 + -2a = -5 + b -2a = -5 + b Divide each side by '-2'. a = 2.5 + -0.5b Simplifying a = 2.5 + -0.5b
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