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Simplifying 2(x + -7) + 4 = 2x + 8 Reorder the terms: 2(-7 + x) + 4 = 2x + 8 (-7 * 2 + x * 2) + 4 = 2x + 8 (-14 + 2x) + 4 = 2x + 8 Reorder the terms: -14 + 4 + 2x = 2x + 8 Combine like terms: -14 + 4 = -10 -10 + 2x = 2x + 8 Reorder the terms: -10 + 2x = 8 + 2x Add '-2x' to each side of the equation. -10 + 2x + -2x = 8 + 2x + -2x Combine like terms: 2x + -2x = 0 -10 + 0 = 8 + 2x + -2x -10 = 8 + 2x + -2x Combine like terms: 2x + -2x = 0 -10 = 8 + 0 -10 = 8 Solving -10 = 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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