5(i+4)=15i

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Solution for 5(i+4)=15i equation:


Simplifying
5(i + 4) = 15i

Reorder the terms:
5(4 + i) = 15i
(4 * 5 + i * 5) = 15i
(20 + 5i) = 15i

Solving
20 + 5i = 15i

Solving for variable 'i'.

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

Add '-15i' to each side of the equation.
20 + 5i + -15i = 15i + -15i

Combine like terms: 5i + -15i = -10i
20 + -10i = 15i + -15i

Combine like terms: 15i + -15i = 0
20 + -10i = 0

Add '-20' to each side of the equation.
20 + -20 + -10i = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -10i = 0 + -20
-10i = 0 + -20

Combine like terms: 0 + -20 = -20
-10i = -20

Divide each side by '-10'.
i = 2

Simplifying
i = 2

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