13+6=b

Solution for 13+6=b equation:

Simplifying
13 + 6 = b

Combine like terms: 13 + 6 = 19
19 = b

Solving
19 = 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.
19 + -1b = b + -1b

Combine like terms: b + -1b = 0
19 + -1b = 0

Add '-19' to each side of the equation.
19 + -19 + -1b = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -1b = 0 + -19
-1b = 0 + -19

Combine like terms: 0 + -19 = -19
-1b = -19

Divide each side by '-1'.
b = 19

Simplifying
b = 19