83.6+21.5=b

Solution for 83.6+21.5=b equation:

Simplifying
83.6 + 21.5 = b

Combine like terms: 83.6 + 21.5 = 105.1
105.1 = b

Solving
105.1 = 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.
105.1 + -1b = b + -1b

Combine like terms: b + -1b = 0
105.1 + -1b = 0

Add '-105.1' to each side of the equation.
105.1 + -105.1 + -1b = 0 + -105.1

Combine like terms: 105.1 + -105.1 = 0.0
0.0 + -1b = 0 + -105.1
-1b = 0 + -105.1

Combine like terms: 0 + -105.1 = -105.1
-1b = -105.1

Divide each side by '-1'.
b = 105.1

Simplifying
b = 105.1