-I+(7-5i)-3(2-3i)=

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Solution for -I+(7-5i)-3(2-3i)= equation:


Simplifying
-1I + (7 + -5i) + -3(2 + -3i) = 0

Remove parenthesis around (7 + -5i)
-1I + 7 + -5i + -3(2 + -3i) = 0
-1I + 7 + -5i + (2 * -3 + -3i * -3) = 0
-1I + 7 + -5i + (-6 + 9i) = 0

Reorder the terms:
7 + -6 + -1I + -5i + 9i = 0

Combine like terms: 7 + -6 = 1
1 + -1I + -5i + 9i = 0

Combine like terms: -5i + 9i = 4i
1 + -1I + 4i = 0

Solving
1 + -1I + 4i = 0

Solving for variable 'I'.

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

Add '-1' to each side of the equation.
1 + -1I + -1 + 4i = 0 + -1

Reorder the terms:
1 + -1 + -1I + 4i = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1I + 4i = 0 + -1
-1I + 4i = 0 + -1

Combine like terms: 0 + -1 = -1
-1I + 4i = -1

Add '-4i' to each side of the equation.
-1I + 4i + -4i = -1 + -4i

Combine like terms: 4i + -4i = 0
-1I + 0 = -1 + -4i
-1I = -1 + -4i

Divide each side by '-1'.
I = 1 + 4i

Simplifying
I = 1 + 4i

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