9i+7=5i+18

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Solution for 9i+7=5i+18 equation:


Simplifying
9i + 7 = 5i + 18

Reorder the terms:
7 + 9i = 5i + 18

Reorder the terms:
7 + 9i = 18 + 5i

Solving
7 + 9i = 18 + 5i

Solving for variable 'i'.

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

Add '-5i' to each side of the equation.
7 + 9i + -5i = 18 + 5i + -5i

Combine like terms: 9i + -5i = 4i
7 + 4i = 18 + 5i + -5i

Combine like terms: 5i + -5i = 0
7 + 4i = 18 + 0
7 + 4i = 18

Add '-7' to each side of the equation.
7 + -7 + 4i = 18 + -7

Combine like terms: 7 + -7 = 0
0 + 4i = 18 + -7
4i = 18 + -7

Combine like terms: 18 + -7 = 11
4i = 11

Divide each side by '4'.
i = 2.75

Simplifying
i = 2.75

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