. Use Definition 17.1.2 to find a complex number z satisfying the given equation. Definition 17.1.2 Equality Complex numbers z, = x, + iy; and z3 = x, + iy; are equal, z, = z3, if Re(z) = Re(z;) and Im(z) = Im(z). 2-i 1. 2z = i(2+ 9i) 2. z + 27 = 3. = 3 + 4i 1+31 1+2

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