How to add and subtract complex numbers

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Adding complex numbers
1. $(3+4i)+(9+3i)$
2. $(\frac{1}{2}-3i)+(-2+2i)+(5i+1)$
3. $(6-5i)+(-4+7i)+(4i-2)$
Subtracting complex numbers
1. $(7+9i)-(5+i)$
2. $(1-3i)-(\frac{1}{6}+2i)-(\frac{1}{3}-i)$
3. $(10-12i)-(-4-10i)+2i$
Adding/subtracting complex numbers graphically
$(2+2i)+(3+i)$ $(2 + 2 i) + (3 + i)$

Adding and subtracting complex numbers