47=72-b

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Solution for 47=72-b equation:


Simplifying
47 = 72 + -1b

Solving
47 = 72 + -1b

Solving for variable 'b'.

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

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

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

Add '-47' to each side of the equation.
47 + -47 + b = 72 + -47

Combine like terms: 47 + -47 = 0
0 + b = 72 + -47
b = 72 + -47

Combine like terms: 72 + -47 = 25
b = 25

Simplifying
b = 25

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