2z-z+z-1=19

Solution for 2z-z+z-1=19 equation:

Simplifying
2z + -1z + z + -1 = 19

Reorder the terms:
-1 + 2z + -1z + z = 19

Combine like terms: 2z + -1z = 1z
-1 + 1z + z = 19

Combine like terms: 1z + z = 2z
-1 + 2z = 19

Solving
-1 + 2z = 19

Solving for variable 'z'.

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

Add '1' to each side of the equation.
-1 + 1 + 2z = 19 + 1

Combine like terms: -1 + 1 = 0
0 + 2z = 19 + 1
2z = 19 + 1

Combine like terms: 19 + 1 = 20
2z = 20

Divide each side by '2'.
z = 10

Simplifying
z = 10