(-3+5i)-(7+9i)=0

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Solution for (-3+5i)-(7+9i)=0 equation:


Simplifying
(-3 + 5i) + -1(7 + 9i) = 0

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

Reorder the terms:
-3 + -7 + 5i + -9i = 0

Combine like terms: -3 + -7 = -10
-10 + 5i + -9i = 0

Combine like terms: 5i + -9i = -4i
-10 + -4i = 0

Solving
-10 + -4i = 0

Solving for variable 'i'.

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

Add '10' to each side of the equation.
-10 + 10 + -4i = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -4i = 0 + 10
-4i = 0 + 10

Combine like terms: 0 + 10 = 10
-4i = 10

Divide each side by '-4'.
i = -2.5

Simplifying
i = -2.5

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