9x-7i=3(3x-7i)

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Solution for 9x-7i=3(3x-7i) equation:


Simplifying
9x + -7i = 3(3x + -7i)

Reorder the terms:
-7i + 9x = 3(3x + -7i)

Reorder the terms:
-7i + 9x = 3(-7i + 3x)
-7i + 9x = (-7i * 3 + 3x * 3)
-7i + 9x = (-21i + 9x)

Add '-9x' to each side of the equation.
-7i + 9x + -9x = -21i + 9x + -9x

Combine like terms: 9x + -9x = 0
-7i + 0 = -21i + 9x + -9x
-7i = -21i + 9x + -9x

Combine like terms: 9x + -9x = 0
-7i = -21i + 0
-7i = -21i

Solving
-7i = -21i

Solving for variable 'i'.

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

Add '21i' to each side of the equation.
-7i + 21i = -21i + 21i

Combine like terms: -7i + 21i = 14i
14i = -21i + 21i

Combine like terms: -21i + 21i = 0
14i = 0

Divide each side by '14'.
i = 0

Simplifying
i = 0

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