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Simplifying r(z2 + 8) + -1(z2 + 8) = 0 Reorder the terms: r(8 + z2) + -1(z2 + 8) = 0 (8 * r + z2 * r) + -1(z2 + 8) = 0 (8r + rz2) + -1(z2 + 8) = 0 Reorder the terms: 8r + rz2 + -1(8 + z2) = 0 8r + rz2 + (8 * -1 + z2 * -1) = 0 8r + rz2 + (-8 + -1z2) = 0 Reorder the terms: -8 + 8r + rz2 + -1z2 = 0 Solving -8 + 8r + rz2 + -1z2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8r + rz2 + 8 + -1z2 = 0 + 8 Reorder the terms: -8 + 8 + 8r + rz2 + -1z2 = 0 + 8 Combine like terms: -8 + 8 = 0 0 + 8r + rz2 + -1z2 = 0 + 8 8r + rz2 + -1z2 = 0 + 8 Combine like terms: 0 + 8 = 8 8r + rz2 + -1z2 = 8 Add 'z2' to each side of the equation. 8r + rz2 + -1z2 + z2 = 8 + z2 Combine like terms: -1z2 + z2 = 0 8r + rz2 + 0 = 8 + z2 8r + rz2 = 8 + z2 Reorder the terms: -8 + 8r + rz2 + -1z2 = 8 + z2 + -8 + -1z2 Reorder the terms: -8 + 8r + rz2 + -1z2 = 8 + -8 + z2 + -1z2 Combine like terms: 8 + -8 = 0 -8 + 8r + rz2 + -1z2 = 0 + z2 + -1z2 -8 + 8r + rz2 + -1z2 = z2 + -1z2 Combine like terms: z2 + -1z2 = 0 -8 + 8r + rz2 + -1z2 = 0 The solution to this equation could not be determined.
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