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

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


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

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

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

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

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

Solving
1 + -6i + 9u = 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 + -6i + -1 + 9u = 0 + -1

Reorder the terms:
1 + -1 + -6i + 9u = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -6i + 9u = 0 + -1
-6i + 9u = 0 + -1

Combine like terms: 0 + -1 = -1
-6i + 9u = -1

Add '-9u' to each side of the equation.
-6i + 9u + -9u = -1 + -9u

Combine like terms: 9u + -9u = 0
-6i + 0 = -1 + -9u
-6i = -1 + -9u

Divide each side by '-6'.
i = 0.1666666667 + 1.5u

Simplifying
i = 0.1666666667 + 1.5u

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