15+49=2.2b+b

Solution for 15+49=2.2b+b equation:

Simplifying
15 + 49 = 2.2b + b

Combine like terms: 15 + 49 = 64
64 = 2.2b + b

Combine like terms: 2.2b + b = 3.2b
64 = 3.2b

Solving
64 = 3.2b

Solving for variable 'b'.

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

Add '-3.2b' to each side of the equation.
64 + -3.2b = 3.2b + -3.2b

Combine like terms: 3.2b + -3.2b = 0.0
64 + -3.2b = 0.0

Add '-64' to each side of the equation.
64 + -64 + -3.2b = 0.0 + -64

Combine like terms: 64 + -64 = 0
0 + -3.2b = 0.0 + -64
-3.2b = 0.0 + -64

Combine like terms: 0.0 + -64 = -64
-3.2b = -64

Divide each side by '-3.2'.
b = 20

Simplifying
b = 20