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