128=j(4)

Solution for 128=j(4) equation:

Simplifying
128 = j(4)

Reorder the terms for easier multiplication:
128 = 4j

Solving
128 = 4j

Solving for variable 'j'.

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

Add '-4j' to each side of the equation.
128 + -4j = 4j + -4j

Combine like terms: 4j + -4j = 0
128 + -4j = 0

Add '-128' to each side of the equation.
128 + -128 + -4j = 0 + -128

Combine like terms: 128 + -128 = 0
0 + -4j = 0 + -128
-4j = 0 + -128

Combine like terms: 0 + -128 = -128
-4j = -128

Divide each side by '-4'.
j = 32

Simplifying
j = 32