21i+42=154i+231

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Solution for 21i+42=154i+231 equation:


Simplifying
21i + 42 = 154i + 231

Reorder the terms:
42 + 21i = 154i + 231

Reorder the terms:
42 + 21i = 231 + 154i

Solving
42 + 21i = 231 + 154i

Solving for variable 'i'.

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

Add '-154i' to each side of the equation.
42 + 21i + -154i = 231 + 154i + -154i

Combine like terms: 21i + -154i = -133i
42 + -133i = 231 + 154i + -154i

Combine like terms: 154i + -154i = 0
42 + -133i = 231 + 0
42 + -133i = 231

Add '-42' to each side of the equation.
42 + -42 + -133i = 231 + -42

Combine like terms: 42 + -42 = 0
0 + -133i = 231 + -42
-133i = 231 + -42

Combine like terms: 231 + -42 = 189
-133i = 189

Divide each side by '-133'.
i = -1.421052632

Simplifying
i = -1.421052632

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