z+6+2z+45=180

Solution for z+6+2z+45=180 equation:

Simplifying
z + 6 + 2z + 45 = 180

Reorder the terms:
6 + 45 + z + 2z = 180

Combine like terms: 6 + 45 = 51
51 + z + 2z = 180

Combine like terms: z + 2z = 3z
51 + 3z = 180

Solving
51 + 3z = 180

Solving for variable 'z'.

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

Add '-51' to each side of the equation.
51 + -51 + 3z = 180 + -51

Combine like terms: 51 + -51 = 0
0 + 3z = 180 + -51
3z = 180 + -51

Combine like terms: 180 + -51 = 129
3z = 129

Divide each side by '3'.
z = 43

Simplifying
z = 43