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Simplifying 5x + -1 = x + -81 Reorder the terms: -1 + 5x = x + -81 Reorder the terms: -1 + 5x = -81 + x Solving -1 + 5x = -81 + x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. -1 + 5x + -1x = -81 + x + -1x Combine like terms: 5x + -1x = 4x -1 + 4x = -81 + x + -1x Combine like terms: x + -1x = 0 -1 + 4x = -81 + 0 -1 + 4x = -81 Add '1' to each side of the equation. -1 + 1 + 4x = -81 + 1 Combine like terms: -1 + 1 = 0 0 + 4x = -81 + 1 4x = -81 + 1 Combine like terms: -81 + 1 = -80 4x = -80 Divide each side by '4'. x = -20 Simplifying x = -20
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