2z+9.75-72=-5.15

Solution for 2z+9.75-72=-5.15 equation:

Simplifying
2z + 9.75 + -72 = -5.15

Reorder the terms:
9.75 + -72 + 2z = -5.15

Combine like terms: 9.75 + -72 = -62.25
-62.25 + 2z = -5.15

Solving
-62.25 + 2z = -5.15

Solving for variable 'z'.

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

Add '62.25' to each side of the equation.
-62.25 + 62.25 + 2z = -5.15 + 62.25

Combine like terms: -62.25 + 62.25 = 0.00
0.00 + 2z = -5.15 + 62.25
2z = -5.15 + 62.25

Combine like terms: -5.15 + 62.25 = 57.1
2z = 57.1

Divide each side by '2'.
z = 28.55

Simplifying
z = 28.55