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Simplifying 5x + -1(-12) = -20 Multiply -1 * -12 5x + 12 = -20 Reorder the terms: 12 + 5x = -20 Solving 12 + 5x = -20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + 5x = -20 + -12 Combine like terms: 12 + -12 = 0 0 + 5x = -20 + -12 5x = -20 + -12 Combine like terms: -20 + -12 = -32 5x = -32 Divide each side by '5'. x = -6.4 Simplifying x = -6.4
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