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Simplifying 16x + -7(x + 2) = 3 + 9(x + 8) Reorder the terms: 16x + -7(2 + x) = 3 + 9(x + 8) 16x + (2 * -7 + x * -7) = 3 + 9(x + 8) 16x + (-14 + -7x) = 3 + 9(x + 8) Reorder the terms: -14 + 16x + -7x = 3 + 9(x + 8) Combine like terms: 16x + -7x = 9x -14 + 9x = 3 + 9(x + 8) Reorder the terms: -14 + 9x = 3 + 9(8 + x) -14 + 9x = 3 + (8 * 9 + x * 9) -14 + 9x = 3 + (72 + 9x) Combine like terms: 3 + 72 = 75 -14 + 9x = 75 + 9x Add '-9x' to each side of the equation. -14 + 9x + -9x = 75 + 9x + -9x Combine like terms: 9x + -9x = 0 -14 + 0 = 75 + 9x + -9x -14 = 75 + 9x + -9x Combine like terms: 9x + -9x = 0 -14 = 75 + 0 -14 = 75 Solving -14 = 75 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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