(-8+9i)-(3+i)=

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Solution for (-8+9i)-(3+i)= equation:


Simplifying
(-8 + 9i) + -1(3 + i) = 0

Remove parenthesis around (-8 + 9i)
-8 + 9i + -1(3 + i) = 0
-8 + 9i + (3 * -1 + i * -1) = 0
-8 + 9i + (-3 + -1i) = 0

Reorder the terms:
-8 + -3 + 9i + -1i = 0

Combine like terms: -8 + -3 = -11
-11 + 9i + -1i = 0

Combine like terms: 9i + -1i = 8i
-11 + 8i = 0

Solving
-11 + 8i = 0

Solving for variable 'i'.

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

Add '11' to each side of the equation.
-11 + 11 + 8i = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 8i = 0 + 11
8i = 0 + 11

Combine like terms: 0 + 11 = 11
8i = 11

Divide each side by '8'.
i = 1.375

Simplifying
i = 1.375

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