2(4z+4)-9=55

Solution for 2(4z+4)-9=55 equation:

Simplifying
2(4z + 4) + -9 = 55

Reorder the terms:
2(4 + 4z) + -9 = 55
(4 * 2 + 4z * 2) + -9 = 55
(8 + 8z) + -9 = 55

Reorder the terms:
8 + -9 + 8z = 55

Combine like terms: 8 + -9 = -1
-1 + 8z = 55

Solving
-1 + 8z = 55

Solving for variable 'z'.

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

Add '1' to each side of the equation.
-1 + 1 + 8z = 55 + 1

Combine like terms: -1 + 1 = 0
0 + 8z = 55 + 1
8z = 55 + 1

Combine like terms: 55 + 1 = 56
8z = 56

Divide each side by '8'.
z = 7

Simplifying
z = 7