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Simplifying -9b + 7 = -8b Reorder the terms: 7 + -9b = -8b Solving 7 + -9b = -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. 7 + -9b + 8b = -8b + 8b Combine like terms: -9b + 8b = -1b 7 + -1b = -8b + 8b Combine like terms: -8b + 8b = 0 7 + -1b = 0 Add '-7' to each side of the equation. 7 + -7 + -1b = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1b = 0 + -7 -1b = 0 + -7 Combine like terms: 0 + -7 = -7 -1b = -7 Divide each side by '-1'. b = 7 Simplifying b = 7
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