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Simplifying (7x + 8) + (-7x + 8) = 0 Reorder the terms: (8 + 7x) + (-7x + 8) = 0 Remove parenthesis around (8 + 7x) 8 + 7x + (-7x + 8) = 0 Reorder the terms: 8 + 7x + (8 + -7x) = 0 Remove parenthesis around (8 + -7x) 8 + 7x + 8 + -7x = 0 Reorder the terms: 8 + 8 + 7x + -7x = 0 Combine like terms: 8 + 8 = 16 16 + 7x + -7x = 0 Combine like terms: 7x + -7x = 0 16 + 0 = 0 16 = 0 Solving 16 = 0 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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