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Simplifying 8(x + 2) + 5 = 4x + 4(4 + x) Reorder the terms: 8(2 + x) + 5 = 4x + 4(4 + x) (2 * 8 + x * 8) + 5 = 4x + 4(4 + x) (16 + 8x) + 5 = 4x + 4(4 + x) Reorder the terms: 16 + 5 + 8x = 4x + 4(4 + x) Combine like terms: 16 + 5 = 21 21 + 8x = 4x + 4(4 + x) 21 + 8x = 4x + (4 * 4 + x * 4) 21 + 8x = 4x + (16 + 4x) Reorder the terms: 21 + 8x = 16 + 4x + 4x Combine like terms: 4x + 4x = 8x 21 + 8x = 16 + 8x Add '-8x' to each side of the equation. 21 + 8x + -8x = 16 + 8x + -8x Combine like terms: 8x + -8x = 0 21 + 0 = 16 + 8x + -8x 21 = 16 + 8x + -8x Combine like terms: 8x + -8x = 0 21 = 16 + 0 21 = 16 Solving 21 = 16 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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