12x-7i=3(4x-7u)

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Solution for 12x-7i=3(4x-7u) equation:


Simplifying
12x + -7i = 3(4x + -7u)

Reorder the terms:
-7i + 12x = 3(4x + -7u)

Reorder the terms:
-7i + 12x = 3(-7u + 4x)
-7i + 12x = (-7u * 3 + 4x * 3)
-7i + 12x = (-21u + 12x)

Add '-12x' to each side of the equation.
-7i + 12x + -12x = -21u + 12x + -12x

Combine like terms: 12x + -12x = 0
-7i + 0 = -21u + 12x + -12x
-7i = -21u + 12x + -12x

Combine like terms: 12x + -12x = 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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