4.2=i(1.6)

Solution for 4.2=i(1.6) equation:

Simplifying
4.2 = i(1.6)

Reorder the terms for easier multiplication:
4.2 = 1.6i

Solving
4.2 = 1.6i

Solving for variable 'i'.

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

Add '-1.6i' to each side of the equation.
4.2 + -1.6i = 1.6i + -1.6i

Combine like terms: 1.6i + -1.6i = 0.0
4.2 + -1.6i = 0.0

Add '-4.2' to each side of the equation.
4.2 + -4.2 + -1.6i = 0.0 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + -1.6i = 0.0 + -4.2
-1.6i = 0.0 + -4.2

Combine like terms: 0.0 + -4.2 = -4.2
-1.6i = -4.2

Divide each side by '-1.6'.
i = 2.625

Simplifying
i = 2.625