6-2.8=0.8b+1.2

Solution for 6-2.8=0.8b+1.2 equation:

Simplifying
6 + -2.8 = 0.8b + 1.2

Combine like terms: 6 + -2.8 = 3.2
3.2 = 0.8b + 1.2

Reorder the terms:
3.2 = 1.2 + 0.8b

Solving
3.2 = 1.2 + 0.8b

Solving for variable 'b'.

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

Add '-0.8b' to each side of the equation.
3.2 + -0.8b = 1.2 + 0.8b + -0.8b

Combine like terms: 0.8b + -0.8b = 0.0
3.2 + -0.8b = 1.2 + 0.0
3.2 + -0.8b = 1.2

Add '-3.2' to each side of the equation.
3.2 + -3.2 + -0.8b = 1.2 + -3.2

Combine like terms: 3.2 + -3.2 = 0.0
0.0 + -0.8b = 1.2 + -3.2
-0.8b = 1.2 + -3.2

Combine like terms: 1.2 + -3.2 = -2
-0.8b = -2

Divide each side by '-0.8'.
b = 2.5

Simplifying
b = 2.5