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Simplifying (9 + 2z2) + -1(5z5 + 6 + 8z2) + -1(4 + -7Z + -3Z5) = 0 Remove parenthesis around (9 + 2z2) 9 + 2z2 + -1(5z5 + 6 + 8z2) + -1(4 + -7Z + -3Z5) = 0 Reorder the terms: 9 + 2z2 + -1(6 + 8z2 + 5z5) + -1(4 + -7Z + -3Z5) = 0 9 + 2z2 + (6 * -1 + 8z2 * -1 + 5z5 * -1) + -1(4 + -7Z + -3Z5) = 0 9 + 2z2 + (-6 + -8z2 + -5z5) + -1(4 + -7Z + -3Z5) = 0 9 + 2z2 + -6 + -8z2 + -5z5 + (4 * -1 + -7Z * -1 + -3Z5 * -1) = 0 9 + 2z2 + -6 + -8z2 + -5z5 + (-4 + 7Z + 3Z5) = 0 Reorder the terms: 9 + -6 + -4 + 7Z + 3Z5 + 2z2 + -8z2 + -5z5 = 0 Combine like terms: 9 + -6 = 3 3 + -4 + 7Z + 3Z5 + 2z2 + -8z2 + -5z5 = 0 Combine like terms: 3 + -4 = -1 -1 + 7Z + 3Z5 + 2z2 + -8z2 + -5z5 = 0 Combine like terms: 2z2 + -8z2 = -6z2 -1 + 7Z + 3Z5 + -6z2 + -5z5 = 0 Solving -1 + 7Z + 3Z5 + -6z2 + -5z5 = 0 Solving for variable 'Z'. The solution to this equation could not be determined.
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