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Simplifying 2b + 42 = 8b + 9 Reorder the terms: 42 + 2b = 8b + 9 Reorder the terms: 42 + 2b = 9 + 8b Solving 42 + 2b = 9 + 8b Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-8b' to each side of the equation. 42 + 2b + -8b = 9 + 8b + -8b Combine like terms: 2b + -8b = -6b 42 + -6b = 9 + 8b + -8b Combine like terms: 8b + -8b = 0 42 + -6b = 9 + 0 42 + -6b = 9 Add '-42' to each side of the equation. 42 + -42 + -6b = 9 + -42 Combine like terms: 42 + -42 = 0 0 + -6b = 9 + -42 -6b = 9 + -42 Combine like terms: 9 + -42 = -33 -6b = -33 Divide each side by '-6'. b = 5.5 Simplifying b = 5.5
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