b-2.8=0.8b-1.2

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


Simplifying
b + -2.8 = 0.8b + -1.2

Reorder the terms:
-2.8 + b = 0.8b + -1.2

Reorder the terms:
-2.8 + b = -1.2 + 0.8b

Solving
-2.8 + b = -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.
-2.8 + b + -0.8b = -1.2 + 0.8b + -0.8b

Combine like terms: b + -0.8b = 0.2b
-2.8 + 0.2b = -1.2 + 0.8b + -0.8b

Combine like terms: 0.8b + -0.8b = 0.0
-2.8 + 0.2b = -1.2 + 0.0
-2.8 + 0.2b = -1.2

Add '2.8' to each side of the equation.
-2.8 + 2.8 + 0.2b = -1.2 + 2.8

Combine like terms: -2.8 + 2.8 = 0.0
0.0 + 0.2b = -1.2 + 2.8
0.2b = -1.2 + 2.8

Combine like terms: -1.2 + 2.8 = 1.6
0.2b = 1.6

Divide each side by '0.2'.
b = 8

Simplifying
b = 8

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