8z-42=2z

Solution for 8z-42=2z equation:

Simplifying
8z + -42 = 2z

Reorder the terms:
-42 + 8z = 2z

Solving
-42 + 8z = 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
-42 + 8z + -2z = 2z + -2z

Combine like terms: 8z + -2z = 6z
-42 + 6z = 2z + -2z

Combine like terms: 2z + -2z = 0
-42 + 6z = 0

Add '42' to each side of the equation.
-42 + 42 + 6z = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 6z = 0 + 42
6z = 0 + 42

Combine like terms: 0 + 42 = 42
6z = 42

Divide each side by '6'.
z = 7

Simplifying
z = 7