11z-3(z-9)=123

Solution for 11z-3(z-9)=123 equation:

Simplifying
11z + -3(z + -9) = 123

Reorder the terms:
11z + -3(-9 + z) = 123
11z + (-9 * -3 + z * -3) = 123
11z + (27 + -3z) = 123

Reorder the terms:
27 + 11z + -3z = 123

Combine like terms: 11z + -3z = 8z
27 + 8z = 123

Solving
27 + 8z = 123

Solving for variable 'z'.

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

Add '-27' to each side of the equation.
27 + -27 + 8z = 123 + -27

Combine like terms: 27 + -27 = 0
0 + 8z = 123 + -27
8z = 123 + -27

Combine like terms: 123 + -27 = 96
8z = 96

Divide each side by '8'.
z = 12

Simplifying
z = 12