48=5.7b-4.5b

Solution for 48=5.7b-4.5b equation:

Simplifying
48 = 5.7b + -4.5b

Combine like terms: 5.7b + -4.5b = 1.2b
48 = 1.2b

Solving
48 = 1.2b

Solving for variable 'b'.

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

Add '-1.2b' to each side of the equation.
48 + -1.2b = 1.2b + -1.2b

Combine like terms: 1.2b + -1.2b = 0.0
48 + -1.2b = 0.0

Add '-48' to each side of the equation.
48 + -48 + -1.2b = 0.0 + -48

Combine like terms: 48 + -48 = 0
0 + -1.2b = 0.0 + -48
-1.2b = 0.0 + -48

Combine like terms: 0.0 + -48 = -48
-1.2b = -48

Divide each side by '-1.2'.
b = 40

Simplifying
b = 40