(4i+4j)+(i+5j)=

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Solution for (4i+4j)+(i+5j)= equation:


Simplifying
(4i + 4j) + (i + 5j) = 0

Remove parenthesis around (4i + 4j)
4i + 4j + (i + 5j) = 0

Remove parenthesis around (i + 5j)
4i + 4j + i + 5j = 0

Reorder the terms:
4i + i + 4j + 5j = 0

Combine like terms: 4i + i = 5i
5i + 4j + 5j = 0

Combine like terms: 4j + 5j = 9j
5i + 9j = 0

Solving
5i + 9j = 0

Solving for variable 'i'.

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

Add '-9j' to each side of the equation.
5i + 9j + -9j = 0 + -9j

Combine like terms: 9j + -9j = 0
5i + 0 = 0 + -9j
5i = 0 + -9j
Remove the zero:
5i = -9j

Divide each side by '5'.
i = -1.8j

Simplifying
i = -1.8j

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