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Simplifying -5 + 8x + 20 = 4(2x + 5) Reorder the terms: -5 + 20 + 8x = 4(2x + 5) Combine like terms: -5 + 20 = 15 15 + 8x = 4(2x + 5) Reorder the terms: 15 + 8x = 4(5 + 2x) 15 + 8x = (5 * 4 + 2x * 4) 15 + 8x = (20 + 8x) Add '-8x' to each side of the equation. 15 + 8x + -8x = 20 + 8x + -8x Combine like terms: 8x + -8x = 0 15 + 0 = 20 + 8x + -8x 15 = 20 + 8x + -8x Combine like terms: 8x + -8x = 0 15 = 20 + 0 15 = 20 Solving 15 = 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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