72=b+23

Solution for 72=b+23 equation:

Simplifying
72 = b + 23

Reorder the terms:
72 = 23 + b

Solving
72 = 23 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
72 + -1b = 23 + b + -1b

Combine like terms: b + -1b = 0
72 + -1b = 23 + 0
72 + -1b = 23

Add '-72' to each side of the equation.
72 + -72 + -1b = 23 + -72

Combine like terms: 72 + -72 = 0
0 + -1b = 23 + -72
-1b = 23 + -72

Combine like terms: 23 + -72 = -49
-1b = -49

Divide each side by '-1'.
b = 49

Simplifying
b = 49