2(7z+3-z)=

Solution for 2(7z+3-z)= equation:

Simplifying
2(7z + 3 + -1z) = 0

Reorder the terms:
2(3 + 7z + -1z) = 0

Combine like terms: 7z + -1z = 6z
2(3 + 6z) = 0
(3 * 2 + 6z * 2) = 0
(6 + 12z) = 0

Solving
6 + 12z = 0

Solving for variable 'z'.

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

Add '-6' to each side of the equation.
6 + -6 + 12z = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 12z = 0 + -6
12z = 0 + -6

Combine like terms: 0 + -6 = -6
12z = -6

Divide each side by '12'.
z = -0.5

Simplifying
z = -0.5