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Simplifying 5x + -1(7.68) = -21.02 Multiply -1 * 7.68 5x + -7.68 = -21.02 Reorder the terms: -7.68 + 5x = -21.02 Solving -7.68 + 5x = -21.02 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7.68' to each side of the equation. -7.68 + 7.68 + 5x = -21.02 + 7.68 Combine like terms: -7.68 + 7.68 = 0.00 0.00 + 5x = -21.02 + 7.68 5x = -21.02 + 7.68 Combine like terms: -21.02 + 7.68 = -13.34 5x = -13.34 Divide each side by '5'. x = -2.668 Simplifying x = -2.668
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