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

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


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

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

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

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

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

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

Solving
-7i = -21u

Solving for variable 'i'.

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

Divide each side by '-7'.
i = 3u

Simplifying
i = 3u

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