27x-21i=9(3x-7u)

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Solution for 27x-21i=9(3x-7u) equation:


Simplifying
27x + -21i = 9(3x + -7u)

Reorder the terms:
-21i + 27x = 9(3x + -7u)

Reorder the terms:
-21i + 27x = 9(-7u + 3x)
-21i + 27x = (-7u * 9 + 3x * 9)
-21i + 27x = (-63u + 27x)

Add '-27x' to each side of the equation.
-21i + 27x + -27x = -63u + 27x + -27x

Combine like terms: 27x + -27x = 0
-21i + 0 = -63u + 27x + -27x
-21i = -63u + 27x + -27x

Combine like terms: 27x + -27x = 0
-21i = -63u + 0
-21i = -63u

Solving
-21i = -63u

Solving for variable 'i'.

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

Divide each side by '-21'.
i = 3u

Simplifying
i = 3u

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