4z-42=12z-42

Solution for 4z-42=12z-42 equation:

Simplifying
4z + -42 = 12z + -42

Reorder the terms:
-42 + 4z = 12z + -42

Reorder the terms:
-42 + 4z = -42 + 12z

Add '42' to each side of the equation.
-42 + 42 + 4z = -42 + 42 + 12z

Combine like terms: -42 + 42 = 0
0 + 4z = -42 + 42 + 12z
4z = -42 + 42 + 12z

Combine like terms: -42 + 42 = 0
4z = 0 + 12z
4z = 12z

Solving
4z = 12z

Solving for variable 'z'.

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

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

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

Combine like terms: 12z + -12z = 0
-8z = 0

Divide each side by '-8'.
z = 0

Simplifying
z = 0