3(6i-4)-9=105

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Solution for 3(6i-4)-9=105 equation:


Simplifying
3(6i + -4) + -9 = 105

Reorder the terms:
3(-4 + 6i) + -9 = 105
(-4 * 3 + 6i * 3) + -9 = 105
(-12 + 18i) + -9 = 105

Reorder the terms:
-12 + -9 + 18i = 105

Combine like terms: -12 + -9 = -21
-21 + 18i = 105

Solving
-21 + 18i = 105

Solving for variable 'i'.

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

Add '21' to each side of the equation.
-21 + 21 + 18i = 105 + 21

Combine like terms: -21 + 21 = 0
0 + 18i = 105 + 21
18i = 105 + 21

Combine like terms: 105 + 21 = 126
18i = 126

Divide each side by '18'.
i = 7

Simplifying
i = 7

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