9x-7i=8x-21u

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Solution for 9x-7i=8x-21u equation:


Simplifying
9x + -7i = 8x + -21u

Reorder the terms:
-7i + 9x = 8x + -21u

Reorder the terms:
-7i + 9x = -21u + 8x

Solving
-7i + 9x = -21u + 8x

Solving for variable 'i'.

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

Add '-9x' to each side of the equation.
-7i + 9x + -9x = -21u + 8x + -9x

Combine like terms: 9x + -9x = 0
-7i + 0 = -21u + 8x + -9x
-7i = -21u + 8x + -9x

Combine like terms: 8x + -9x = -1x
-7i = -21u + -1x

Divide each side by '-7'.
i = 3u + 0.1428571429x

Simplifying
i = 3u + 0.1428571429x

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