6=2z-4

Solution for 6=2z-4 equation:

Simplifying
6 = 2z + -4

Reorder the terms:
6 = -4 + 2z

Solving
6 = -4 + 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.
6 + -2z = -4 + 2z + -2z

Combine like terms: 2z + -2z = 0
6 + -2z = -4 + 0
6 + -2z = -4

Add '-6' to each side of the equation.
6 + -6 + -2z = -4 + -6

Combine like terms: 6 + -6 = 0
0 + -2z = -4 + -6
-2z = -4 + -6

Combine like terms: -4 + -6 = -10
-2z = -10

Divide each side by '-2'.
z = 5

Simplifying
z = 5