9=-4(i-8)

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Solution for 9=-4(i-8) equation: 


Simplifying
9 = -4(i + -8)

Reorder the terms:
9 = -4(-8 + i)
9 = (-8 * -4 + i * -4)
9 = (32 + -4i)

Solving
9 = 32 + -4i

Solving for variable 'i'.

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

Add '4i' to each side of the equation.
9 + 4i = 32 + -4i + 4i

Combine like terms: -4i + 4i = 0
9 + 4i = 32 + 0
9 + 4i = 32

Add '-9' to each side of the equation.
9 + -9 + 4i = 32 + -9

Combine like terms: 9 + -9 = 0
0 + 4i = 32 + -9
4i = 32 + -9

Combine like terms: 32 + -9 = 23
4i = 23

Divide each side by '4'.
i = 5.75

Simplifying
i = 5.75

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