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Simplifying 42z2 + 3 + (-6z2) + 7 = 0 Reorder the terms: 3 + 7 + 42z2 + (-6z2) = 0 Combine like terms: 3 + 7 = 10 10 + 42z2 + (-6z2) = 0 Combine like terms: 42z2 + (-6z2) = 36z2 10 + 36z2 = 0 Solving 10 + 36z2 = 0 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 + 36z2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 36z2 = 0 + -10 36z2 = 0 + -10 Combine like terms: 0 + -10 = -10 36z2 = -10 Divide each side by '36'. z2 = -0.2777777778 Simplifying z2 = -0.2777777778 Reorder the terms: 0.2777777778 + z2 = -0.2777777778 + 0.2777777778 Combine like terms: -0.2777777778 + 0.2777777778 = 0.0000000000 0.2777777778 + z2 = 0.0000000000 The solution to this equation could not be determined.
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