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Simplifying 2x2 + b + 12 = 0 Reorder the terms: 12 + b + 2x2 = 0 Solving 12 + b + 2x2 = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + b + -12 + 2x2 = 0 + -12 Reorder the terms: 12 + -12 + b + 2x2 = 0 + -12 Combine like terms: 12 + -12 = 0 0 + b + 2x2 = 0 + -12 b + 2x2 = 0 + -12 Combine like terms: 0 + -12 = -12 b + 2x2 = -12 Add '-2x2' to each side of the equation. b + 2x2 + -2x2 = -12 + -2x2 Combine like terms: 2x2 + -2x2 = 0 b + 0 = -12 + -2x2 b = -12 + -2x2 Simplifying b = -12 + -2x2
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