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Lesson 4 · Operations with complex numbers

Worked example

Worked example: equal complex numbers

Find xx and yy: 5x−7+(y+4)i=13+11i5x - 7 + (y + 4)i = 13 + 11i.

5x−7=13\displaystyle 5x - 7 = 13
Real parts are equal
What's the next step? Think, then