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Simplifying 2(x + 4) + 5 = 4x + -2(-4 + x) Reorder the terms: 2(4 + x) + 5 = 4x + -2(-4 + x) (4 * 2 + x * 2) + 5 = 4x + -2(-4 + x) (8 + 2x) + 5 = 4x + -2(-4 + x) Reorder the terms: 8 + 5 + 2x = 4x + -2(-4 + x) Combine like terms: 8 + 5 = 13 13 + 2x = 4x + -2(-4 + x) 13 + 2x = 4x + (-4 * -2 + x * -2) 13 + 2x = 4x + (8 + -2x) Reorder the terms: 13 + 2x = 8 + 4x + -2x Combine like terms: 4x + -2x = 2x 13 + 2x = 8 + 2x Add '-2x' to each side of the equation. 13 + 2x + -2x = 8 + 2x + -2x Combine like terms: 2x + -2x = 0 13 + 0 = 8 + 2x + -2x 13 = 8 + 2x + -2x Combine like terms: 2x + -2x = 0 13 = 8 + 0 13 = 8 Solving 13 = 8 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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