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Simplifying 7x + 5 + 2x = 4(x + 2) + 5x Reorder the terms: 5 + 7x + 2x = 4(x + 2) + 5x Combine like terms: 7x + 2x = 9x 5 + 9x = 4(x + 2) + 5x Reorder the terms: 5 + 9x = 4(2 + x) + 5x 5 + 9x = (2 * 4 + x * 4) + 5x 5 + 9x = (8 + 4x) + 5x Combine like terms: 4x + 5x = 9x 5 + 9x = 8 + 9x Add '-9x' to each side of the equation. 5 + 9x + -9x = 8 + 9x + -9x Combine like terms: 9x + -9x = 0 5 + 0 = 8 + 9x + -9x 5 = 8 + 9x + -9x Combine like terms: 9x + -9x = 0 5 = 8 + 0 5 = 8 Solving 5 = 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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