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Simplifying 7z2 + 8 = 5 Reorder the terms: 8 + 7z2 = 5 Solving 8 + 7z2 = 5 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 7z2 = 5 + -8 Combine like terms: 8 + -8 = 0 0 + 7z2 = 5 + -8 7z2 = 5 + -8 Combine like terms: 5 + -8 = -3 7z2 = -3 Divide each side by '7'. z2 = -0.4285714286 Simplifying z2 = -0.4285714286 Reorder the terms: 0.4285714286 + z2 = -0.4285714286 + 0.4285714286 Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000 0.4285714286 + z2 = 0.0000000000 The solution to this equation could not be determined.
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