-39=13b

Solution for -39=13b equation:

Simplifying
-39 = 13b

Solving
-39 = 13b

Solving for variable 'b'.

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

Add '-13b' to each side of the equation.
-39 + -13b = 13b + -13b

Combine like terms: 13b + -13b = 0
-39 + -13b = 0

Add '39' to each side of the equation.
-39 + 39 + -13b = 0 + 39

Combine like terms: -39 + 39 = 0
0 + -13b = 0 + 39
-13b = 0 + 39

Combine like terms: 0 + 39 = 39
-13b = 39

Divide each side by '-13'.
b = -3

Simplifying
b = -3