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Simplifying 8x + 4 = 9 + 4(2x + -1) Reorder the terms: 4 + 8x = 9 + 4(2x + -1) Reorder the terms: 4 + 8x = 9 + 4(-1 + 2x) 4 + 8x = 9 + (-1 * 4 + 2x * 4) 4 + 8x = 9 + (-4 + 8x) Combine like terms: 9 + -4 = 5 4 + 8x = 5 + 8x Add '-8x' to each side of the equation. 4 + 8x + -8x = 5 + 8x + -8x Combine like terms: 8x + -8x = 0 4 + 0 = 5 + 8x + -8x 4 = 5 + 8x + -8x Combine like terms: 8x + -8x = 0 4 = 5 + 0 4 = 5 Solving 4 = 5 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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