(3+4i)-(9-7i)=

Solution for (3+4i)-(9-7i)= equation:

Simplifying
(3 + 4i) + -1(9 + -7i) = 0

Remove parenthesis around (3 + 4i)
3 + 4i + -1(9 + -7i) = 0
3 + 4i + (9 * -1 + -7i * -1) = 0
3 + 4i + (-9 + 7i) = 0

Reorder the terms:
3 + -9 + 4i + 7i = 0

Combine like terms: 3 + -9 = -6
-6 + 4i + 7i = 0

Combine like terms: 4i + 7i = 11i
-6 + 11i = 0

Solving
-6 + 11i = 0

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '6' to each side of the equation.
-6 + 6 + 11i = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 11i = 0 + 6
11i = 0 + 6

Combine like terms: 0 + 6 = 6
11i = 6

Divide each side by '11'.
i = 0.5454545455

Simplifying
i = 0.5454545455