12=-2i-i

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Solution for 12=-2i-i equation:


Simplifying
12 = -2i + -1i

Combine like terms: -2i + -1i = -3i
12 = -3i

Solving
12 = -3i

Solving for variable 'i'.

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

Add '3i' to each side of the equation.
12 + 3i = -3i + 3i

Combine like terms: -3i + 3i = 0
12 + 3i = 0

Add '-12' to each side of the equation.
12 + -12 + 3i = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 3i = 0 + -12
3i = 0 + -12

Combine like terms: 0 + -12 = -12
3i = -12

Divide each side by '3'.
i = -4

Simplifying
i = -4

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