12=4+w*4

Solution for 12=4+w*4 equation:

Simplifying
12 = 4 + w * 4

Reorder the terms for easier multiplication:
12 = 4 + 4w

Solving
12 = 4 + 4w

Solving for variable 'w'.

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

Add '-4w' to each side of the equation.
12 + -4w = 4 + 4w + -4w

Combine like terms: 4w + -4w = 0
12 + -4w = 4 + 0
12 + -4w = 4

Add '-12' to each side of the equation.
12 + -12 + -4w = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -4w = 4 + -12
-4w = 4 + -12

Combine like terms: 4 + -12 = -8
-4w = -8

Divide each side by '-4'.
w = 2

Simplifying
w = 2