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Simplifying 3(x + -7) = x + 19 + 2x Reorder the terms: 3(-7 + x) = x + 19 + 2x (-7 * 3 + x * 3) = x + 19 + 2x (-21 + 3x) = x + 19 + 2x Reorder the terms: -21 + 3x = 19 + x + 2x Combine like terms: x + 2x = 3x -21 + 3x = 19 + 3x Add '-3x' to each side of the equation. -21 + 3x + -3x = 19 + 3x + -3x Combine like terms: 3x + -3x = 0 -21 + 0 = 19 + 3x + -3x -21 = 19 + 3x + -3x Combine like terms: 3x + -3x = 0 -21 = 19 + 0 -21 = 19 Solving -21 = 19 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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