4(7+i)=

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Solution for 4(7+i)= equation: 


Simplifying
4(7 + i) = 0
(7 * 4 + i * 4) = 0
(28 + 4i) = 0

Solving
28 + 4i = 0

Solving for variable 'i'.

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

Add '-28' to each side of the equation.
28 + -28 + 4i = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 4i = 0 + -28
4i = 0 + -28

Combine like terms: 0 + -28 = -28
4i = -28

Divide each side by '4'.
i = -7

Simplifying
i = -7

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