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