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Simplifying 2z2 + -10 = -12 Reorder the terms: -10 + 2z2 = -12 Solving -10 + 2z2 = -12 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + 2z2 = -12 + 10 Combine like terms: -10 + 10 = 0 0 + 2z2 = -12 + 10 2z2 = -12 + 10 Combine like terms: -12 + 10 = -2 2z2 = -2 Divide each side by '2'. z2 = -1 Simplifying z2 = -1 Reorder the terms: 1 + z2 = -1 + 1 Combine like terms: -1 + 1 = 0 1 + z2 = 0 The solution to this equation could not be determined.
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