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Simplifying 20 = -4(x + -2) Reorder the terms: 20 = -4(-2 + x) 20 = (-2 * -4 + x * -4) 20 = (8 + -4x) Solving 20 = 8 + -4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4x' to each side of the equation. 20 + 4x = 8 + -4x + 4x Combine like terms: -4x + 4x = 0 20 + 4x = 8 + 0 20 + 4x = 8 Add '-20' to each side of the equation. 20 + -20 + 4x = 8 + -20 Combine like terms: 20 + -20 = 0 0 + 4x = 8 + -20 4x = 8 + -20 Combine like terms: 8 + -20 = -12 4x = -12 Divide each side by '4'. x = -3 Simplifying x = -3
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