3(7-5i)=

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


Simplifying
3(7 + -5i) = 0
(7 * 3 + -5i * 3) = 0
(21 + -15i) = 0

Solving
21 + -15i = 0

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 + -15i = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -15i = 0 + -21
-15i = 0 + -21

Combine like terms: 0 + -21 = -21
-15i = -21

Divide each side by '-15'.
i = 1.4

Simplifying
i = 1.4

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