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Simplifying -20x + 47 + 5(4x + -8) = 0 Reorder the terms: -20x + 47 + 5(-8 + 4x) = 0 -20x + 47 + (-8 * 5 + 4x * 5) = 0 -20x + 47 + (-40 + 20x) = 0 Reorder the terms: 47 + -40 + -20x + 20x = 0 Combine like terms: 47 + -40 = 7 7 + -20x + 20x = 0 Combine like terms: -20x + 20x = 0 7 + 0 = 0 7 = 0 Solving 7 = 0 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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