(7i+7j)=9.89

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Solution for (7i+7j)=9.89 equation: 


Simplifying
(7i + 7j) = 9.89

Remove parenthesis around (7i + 7j)
7i + 7j = 9.89

Solving
7i + 7j = 9.89

Solving for variable 'i'.

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

Add '-7j' to each side of the equation.
7i + 7j + -7j = 9.89 + -7j

Combine like terms: 7j + -7j = 0
7i + 0 = 9.89 + -7j
7i = 9.89 + -7j

Divide each side by '7'.
i = 1.412857143 + -1j

Simplifying
i = 1.412857143 + -1j

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