0.2b-0.5b+0.6=4.5

Solution for 0.2b-0.5b+0.6=4.5 equation:

Simplifying
0.2b + -0.5b + 0.6 = 4.5

Reorder the terms:
0.6 + 0.2b + -0.5b = 4.5

Combine like terms: 0.2b + -0.5b = -0.3b
0.6 + -0.3b = 4.5

Solving
0.6 + -0.3b = 4.5

Solving for variable 'b'.

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

Add '-0.6' to each side of the equation.
0.6 + -0.6 + -0.3b = 4.5 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + -0.3b = 4.5 + -0.6
-0.3b = 4.5 + -0.6

Combine like terms: 4.5 + -0.6 = 3.9
-0.3b = 3.9

Divide each side by '-0.3'.
b = -13

Simplifying
b = -13