3b-39=b-1

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Solution for 3b-39=b-1 equation:


Simplifying
3b + -39 = b + -1

Reorder the terms:
-39 + 3b = b + -1

Reorder the terms:
-39 + 3b = -1 + b

Solving
-39 + 3b = -1 + 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.
-39 + 3b + -1b = -1 + b + -1b

Combine like terms: 3b + -1b = 2b
-39 + 2b = -1 + b + -1b

Combine like terms: b + -1b = 0
-39 + 2b = -1 + 0
-39 + 2b = -1

Add '39' to each side of the equation.
-39 + 39 + 2b = -1 + 39

Combine like terms: -39 + 39 = 0
0 + 2b = -1 + 39
2b = -1 + 39

Combine like terms: -1 + 39 = 38
2b = 38

Divide each side by '2'.
b = 19

Simplifying
b = 19

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