2z+6+11z-7+90=180

Solution for 2z+6+11z-7+90=180 equation:

Simplifying
2z + 6 + 11z + -7 + 90 = 180

Reorder the terms:
6 + -7 + 90 + 2z + 11z = 180

Combine like terms: 6 + -7 = -1
-1 + 90 + 2z + 11z = 180

Combine like terms: -1 + 90 = 89
89 + 2z + 11z = 180

Combine like terms: 2z + 11z = 13z
89 + 13z = 180

Solving
89 + 13z = 180

Solving for variable 'z'.

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

Add '-89' to each side of the equation.
89 + -89 + 13z = 180 + -89

Combine like terms: 89 + -89 = 0
0 + 13z = 180 + -89
13z = 180 + -89

Combine like terms: 180 + -89 = 91
13z = 91

Divide each side by '13'.
z = 7

Simplifying
z = 7