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Simplifying 19 = 3a + b Solving 19 = 3a + b Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3a' to each side of the equation. 19 + -3a = 3a + -3a + b Combine like terms: 3a + -3a = 0 19 + -3a = 0 + b 19 + -3a = b Add '-19' to each side of the equation. 19 + -19 + -3a = -19 + b Combine like terms: 19 + -19 = 0 0 + -3a = -19 + b -3a = -19 + b Divide each side by '-3'. a = 6.333333333 + -0.3333333333b Simplifying a = 6.333333333 + -0.3333333333b
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