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Simplifying -7(x + 1) = 7 + -7(x + -1) Reorder the terms: -7(1 + x) = 7 + -7(x + -1) (1 * -7 + x * -7) = 7 + -7(x + -1) (-7 + -7x) = 7 + -7(x + -1) Reorder the terms: -7 + -7x = 7 + -7(-1 + x) -7 + -7x = 7 + (-1 * -7 + x * -7) -7 + -7x = 7 + (7 + -7x) Combine like terms: 7 + 7 = 14 -7 + -7x = 14 + -7x Add '7x' to each side of the equation. -7 + -7x + 7x = 14 + -7x + 7x Combine like terms: -7x + 7x = 0 -7 + 0 = 14 + -7x + 7x -7 = 14 + -7x + 7x Combine like terms: -7x + 7x = 0 -7 = 14 + 0 -7 = 14 Solving -7 = 14 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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