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Simplifying -5(x + 7) = -81 Reorder the terms: -5(7 + x) = -81 (7 * -5 + x * -5) = -81 (-35 + -5x) = -81 Solving -35 + -5x = -81 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '35' to each side of the equation. -35 + 35 + -5x = -81 + 35 Combine like terms: -35 + 35 = 0 0 + -5x = -81 + 35 -5x = -81 + 35 Combine like terms: -81 + 35 = -46 -5x = -46 Divide each side by '-5'. x = 9.2 Simplifying x = 9.2
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