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Simplifying 13a + 8b = 100 Solving 13a + 8b = 100 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-8b' to each side of the equation. 13a + 8b + -8b = 100 + -8b Combine like terms: 8b + -8b = 0 13a + 0 = 100 + -8b 13a = 100 + -8b Divide each side by '13'. a = 7.692307692 + -0.6153846154b Simplifying a = 7.692307692 + -0.6153846154b
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