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Simplifying 3x + 7yi = -4 + -21i Reorder the terms: 7iy + 3x = -4 + -21i Solving 7iy + 3x = -4 + -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 + 3x = -4 + -21i + 21i Reorder the terms: 21i + 7iy + 3x = -4 + -21i + 21i Combine like terms: -21i + 21i = 0 21i + 7iy + 3x = -4 + 0 21i + 7iy + 3x = -4 Add '-3x' to each side of the equation. 21i + 7iy + 3x + -3x = -4 + -3x Combine like terms: 3x + -3x = 0 21i + 7iy + 0 = -4 + -3x 21i + 7iy = -4 + -3x Reorder the terms: 4 + 21i + 7iy + 3x = -4 + -3x + 4 + 3x Reorder the terms: 4 + 21i + 7iy + 3x = -4 + 4 + -3x + 3x Combine like terms: -4 + 4 = 0 4 + 21i + 7iy + 3x = 0 + -3x + 3x 4 + 21i + 7iy + 3x = -3x + 3x Combine like terms: -3x + 3x = 0 4 + 21i + 7iy + 3x = 0 The solution to this equation could not be determined.
| 7x-5=x+7 | | X+212=682 | | d|11=-36 | | 4sin^2x+2sinx-2=0 | | 5x1/x-2x1/y= | | -6z+4+4z=-3z+9 | | 24x+4=180 | | 2x(3x+5)=49 | | 0x-1y=-1 | | -4+5y=-7 | | 2x*1=5x-20 | | -11+m=-7 | | -7*(2t+9)=-91 | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | -7*(2t+9)=-91 | | -7*(2t+9)=-91 | | (8x+8)(x+3)= | | y=-sec(x+90) | | 2z+7;z=3 | | (8x+8)(x+3)= | | (8x+8)(x+3)= | | 7s-12=36+s | | y+73=85 |