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Simplifying 4x + 4(-2x + 5) = -28 Reorder the terms: 4x + 4(5 + -2x) = -28 4x + (5 * 4 + -2x * 4) = -28 4x + (20 + -8x) = -28 Reorder the terms: 20 + 4x + -8x = -28 Combine like terms: 4x + -8x = -4x 20 + -4x = -28 Solving 20 + -4x = -28 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + -4x = -28 + -20 Combine like terms: 20 + -20 = 0 0 + -4x = -28 + -20 -4x = -28 + -20 Combine like terms: -28 + -20 = -48 -4x = -48 Divide each side by '-4'. x = 12 Simplifying x = 12
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