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Simplifying -82 = 2 + -1(-4b) Remove parenthesis around (-4b) -82 = 2 + -1 * -4b Multiply -1 * -4 -82 = 2 + 4b Solving -82 = 2 + 4b Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-4b' to each side of the equation. -82 + -4b = 2 + 4b + -4b Combine like terms: 4b + -4b = 0 -82 + -4b = 2 + 0 -82 + -4b = 2 Add '82' to each side of the equation. -82 + 82 + -4b = 2 + 82 Combine like terms: -82 + 82 = 0 0 + -4b = 2 + 82 -4b = 2 + 82 Combine like terms: 2 + 82 = 84 -4b = 84 Divide each side by '-4'. b = -21 Simplifying b = -21
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