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Simplifying 3z2 + -8 = -20 Reorder the terms: -8 + 3z2 = -20 Solving -8 + 3z2 = -20 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 + 3z2 = -20 + 8 Combine like terms: -8 + 8 = 0 0 + 3z2 = -20 + 8 3z2 = -20 + 8 Combine like terms: -20 + 8 = -12 3z2 = -12 Divide each side by '3'. z2 = -4 Simplifying z2 = -4 Reorder the terms: 4 + z2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + z2 = 0 The solution to this equation could not be determined.
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