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Simplifying 7.8b + -2.14 = -84 Reorder the terms: -2.14 + 7.8b = -84 Solving -2.14 + 7.8b = -84 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '2.14' to each side of the equation. -2.14 + 2.14 + 7.8b = -84 + 2.14 Combine like terms: -2.14 + 2.14 = 0.00 0.00 + 7.8b = -84 + 2.14 7.8b = -84 + 2.14 Combine like terms: -84 + 2.14 = -81.86 7.8b = -81.86 Divide each side by '7.8'. b = -10.49487179 Simplifying b = -10.49487179
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