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Simplifying 6x + 7iy = 18 + -21i Reorder the terms: 7iy + 6x = 18 + -21i Solving 7iy + 6x = 18 + -21i Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '21i' to each side of the equation. 7iy + 21i + 6x = 18 + -21i + 21i Reorder the terms: 21i + 7iy + 6x = 18 + -21i + 21i Combine like terms: -21i + 21i = 0 21i + 7iy + 6x = 18 + 0 21i + 7iy + 6x = 18 Add '-6x' to each side of the equation. 21i + 7iy + 6x + -6x = 18 + -6x Combine like terms: 6x + -6x = 0 21i + 7iy + 0 = 18 + -6x 21i + 7iy = 18 + -6x Reorder the terms: -18 + 21i + 7iy + 6x = 18 + -6x + -18 + 6x Reorder the terms: -18 + 21i + 7iy + 6x = 18 + -18 + -6x + 6x Combine like terms: 18 + -18 = 0 -18 + 21i + 7iy + 6x = 0 + -6x + 6x -18 + 21i + 7iy + 6x = -6x + 6x Combine like terms: -6x + 6x = 0 -18 + 21i + 7iy + 6x = 0 The solution to this equation could not be determined.
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