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Simplifying 4(b + 7) = -12 Reorder the terms: 4(7 + b) = -12 (7 * 4 + b * 4) = -12 (28 + 4b) = -12 Solving 28 + 4b = -12 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + 4b = -12 + -28 Combine like terms: 28 + -28 = 0 0 + 4b = -12 + -28 4b = -12 + -28 Combine like terms: -12 + -28 = -40 4b = -40 Divide each side by '4'. b = -10 Simplifying b = -10
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