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Simplifying 4z2 + -20 + 25 = 0 Reorder the terms: -20 + 25 + 4z2 = 0 Combine like terms: -20 + 25 = 5 5 + 4z2 = 0 Solving 5 + 4z2 = 0 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 4z2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4z2 = 0 + -5 4z2 = 0 + -5 Combine like terms: 0 + -5 = -5 4z2 = -5 Divide each side by '4'. z2 = -1.25 Simplifying z2 = -1.25 Reorder the terms: 1.25 + z2 = -1.25 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 1.25 + z2 = 0.00 The solution to this equation could not be determined.
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