3z-1+z+7=

Solution for 3z-1+z+7= equation:

Simplifying
3z + -1 + z + 7 = 0

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

Combine like terms: -1 + 7 = 6
6 + 3z + z = 0

Combine like terms: 3z + z = 4z
6 + 4z = 0

Solving
6 + 4z = 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 + 4z = 0 + -6

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

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

Divide each side by '4'.
z = -1.5

Simplifying
z = -1.5