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Simplifying -5(4x + 4) = -20x + 20 Reorder the terms: -5(4 + 4x) = -20x + 20 (4 * -5 + 4x * -5) = -20x + 20 (-20 + -20x) = -20x + 20 Reorder the terms: -20 + -20x = 20 + -20x Add '20x' to each side of the equation. -20 + -20x + 20x = 20 + -20x + 20x Combine like terms: -20x + 20x = 0 -20 + 0 = 20 + -20x + 20x -20 = 20 + -20x + 20x Combine like terms: -20x + 20x = 0 -20 = 20 + 0 -20 = 20 Solving -20 = 20 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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