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Simplifying r(z4 + 8) + -1(x4 + 8) = 0 Reorder the terms: r(8 + z4) + -1(x4 + 8) = 0 (8 * r + z4 * r) + -1(x4 + 8) = 0 (8r + rz4) + -1(x4 + 8) = 0 Reorder the terms: 8r + rz4 + -1(8 + x4) = 0 8r + rz4 + (8 * -1 + x4 * -1) = 0 8r + rz4 + (-8 + -1x4) = 0 Reorder the terms: -8 + 8r + rz4 + -1x4 = 0 Solving -8 + 8r + rz4 + -1x4 = 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 + rz4 + 8 + -1x4 = 0 + 8 Reorder the terms: -8 + 8 + 8r + rz4 + -1x4 = 0 + 8 Combine like terms: -8 + 8 = 0 0 + 8r + rz4 + -1x4 = 0 + 8 8r + rz4 + -1x4 = 0 + 8 Combine like terms: 0 + 8 = 8 8r + rz4 + -1x4 = 8 Add 'x4' to each side of the equation. 8r + rz4 + -1x4 + x4 = 8 + x4 Combine like terms: -1x4 + x4 = 0 8r + rz4 + 0 = 8 + x4 8r + rz4 = 8 + x4 Reorder the terms: -8 + 8r + rz4 + -1x4 = 8 + x4 + -8 + -1x4 Reorder the terms: -8 + 8r + rz4 + -1x4 = 8 + -8 + x4 + -1x4 Combine like terms: 8 + -8 = 0 -8 + 8r + rz4 + -1x4 = 0 + x4 + -1x4 -8 + 8r + rz4 + -1x4 = x4 + -1x4 Combine like terms: x4 + -1x4 = 0 -8 + 8r + rz4 + -1x4 = 0 The solution to this equation could not be determined.
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