(-3-i)-(4-5i)=

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Solution for (-3-i)-(4-5i)= equation:


Simplifying
(-3 + -1i) + -1(4 + -5i) = 0

Remove parenthesis around (-3 + -1i)
-3 + -1i + -1(4 + -5i) = 0
-3 + -1i + (4 * -1 + -5i * -1) = 0
-3 + -1i + (-4 + 5i) = 0

Reorder the terms:
-3 + -4 + -1i + 5i = 0

Combine like terms: -3 + -4 = -7
-7 + -1i + 5i = 0

Combine like terms: -1i + 5i = 4i
-7 + 4i = 0

Solving
-7 + 4i = 0

Solving for variable 'i'.

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

Add '7' to each side of the equation.
-7 + 7 + 4i = 0 + 7

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

Combine like terms: 0 + 7 = 7
4i = 7

Divide each side by '4'.
i = 1.75

Simplifying
i = 1.75

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