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Simplifying 4z2 + 39 = 7 Reorder the terms: 39 + 4z2 = 7 Solving 39 + 4z2 = 7 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-39' to each side of the equation. 39 + -39 + 4z2 = 7 + -39 Combine like terms: 39 + -39 = 0 0 + 4z2 = 7 + -39 4z2 = 7 + -39 Combine like terms: 7 + -39 = -32 4z2 = -32 Divide each side by '4'. z2 = -8 Simplifying z2 = -8 Reorder the terms: 8 + z2 = -8 + 8 Combine like terms: -8 + 8 = 0 8 + z2 = 0 The solution to this equation could not be determined.
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