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Simplifying -28x + -7(4x + 4) = -28 Reorder the terms: -28x + -7(4 + 4x) = -28 -28x + (4 * -7 + 4x * -7) = -28 -28x + (-28 + -28x) = -28 Reorder the terms: -28 + -28x + -28x = -28 Combine like terms: -28x + -28x = -56x -28 + -56x = -28 Add '28' to each side of the equation. -28 + 28 + -56x = -28 + 28 Combine like terms: -28 + 28 = 0 0 + -56x = -28 + 28 -56x = -28 + 28 Combine like terms: -28 + 28 = 0 -56x = 0 Solving -56x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Divide each side by '-56'. x = 0 Simplifying x = 0
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