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

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


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

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

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

Solving for variable 'i'.

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

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

Combine like terms: -7i + -9i = -16i
-16i + 9x = 9i + -9i + -21u

Combine like terms: 9i + -9i = 0
-16i + 9x = 0 + -21u
-16i + 9x = -21u

Add '-9x' to each side of the equation.
-16i + 9x + -9x = -21u + -9x

Combine like terms: 9x + -9x = 0
-16i + 0 = -21u + -9x
-16i = -21u + -9x

Divide each side by '-16'.
i = 1.3125u + 0.5625x

Simplifying
i = 1.3125u + 0.5625x

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