6+8z=-15+z

Solution for 6+8z=-15+z equation:

Simplifying
6 + 8z = -15 + z

Solving
6 + 8z = -15 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
6 + 8z + -1z = -15 + z + -1z

Combine like terms: 8z + -1z = 7z
6 + 7z = -15 + z + -1z

Combine like terms: z + -1z = 0
6 + 7z = -15 + 0
6 + 7z = -15

Add '-6' to each side of the equation.
6 + -6 + 7z = -15 + -6

Combine like terms: 6 + -6 = 0
0 + 7z = -15 + -6
7z = -15 + -6

Combine like terms: -15 + -6 = -21
7z = -21

Divide each side by '7'.
z = -3

Simplifying
z = -3