-42=-6z

Solution for -42=-6z equation:

Simplifying
-42 = -6z

Solving
-42 = -6z

Solving for variable 'z'.

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

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

Combine like terms: -6z + 6z = 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