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Simplifying 7z2 + 3 + -1(6z2 + 1) = 0 Reorder the terms: 7z2 + 3 + -1(1 + 6z2) = 0 7z2 + 3 + (1 * -1 + 6z2 * -1) = 0 7z2 + 3 + (-1 + -6z2) = 0 Reorder the terms: 3 + -1 + 7z2 + -6z2 = 0 Combine like terms: 3 + -1 = 2 2 + 7z2 + -6z2 = 0 Combine like terms: 7z2 + -6z2 = 1z2 2 + 1z2 = 0 Solving 2 + 1z2 = 0 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 1z2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 1z2 = 0 + -2 1z2 = 0 + -2 Combine like terms: 0 + -2 = -2 1z2 = -2 Divide each side by '1'. z2 = -2 Simplifying z2 = -2 Reorder the terms: 2 + z2 = -2 + 2 Combine like terms: -2 + 2 = 0 2 + z2 = 0 The solution to this equation could not be determined.
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