2b+72-b=0

Solution for 2b+72-b=0 equation:

Simplifying
2b + 72 + -1b = 0

Reorder the terms:
72 + 2b + -1b = 0

Combine like terms: 2b + -1b = 1b
72 + 1b = 0

Solving
72 + 1b = 0

Solving for variable 'b'.

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

Add '-72' to each side of the equation.
72 + -72 + 1b = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 1b = 0 + -72
1b = 0 + -72

Combine like terms: 0 + -72 = -72
1b = -72

Divide each side by '1'.
b = -72

Simplifying
b = -72