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Simplifying 7(-4x + 4) = -84 Reorder the terms: 7(4 + -4x) = -84 (4 * 7 + -4x * 7) = -84 (28 + -28x) = -84 Solving 28 + -28x = -84 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + -28x = -84 + -28 Combine like terms: 28 + -28 = 0 0 + -28x = -84 + -28 -28x = -84 + -28 Combine like terms: -84 + -28 = -112 -28x = -112 Divide each side by '-28'. x = 4 Simplifying x = 4
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