8b-0.4=9b

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Solution for 8b-0.4=9b equation:


Simplifying
8b + -0.4 = 9b

Reorder the terms:
-0.4 + 8b = 9b

Solving
-0.4 + 8b = 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-0.4 + 8b + -9b = 9b + -9b

Combine like terms: 8b + -9b = -1b
-0.4 + -1b = 9b + -9b

Combine like terms: 9b + -9b = 0
-0.4 + -1b = 0

Add '0.4' to each side of the equation.
-0.4 + 0.4 + -1b = 0 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + -1b = 0 + 0.4
-1b = 0 + 0.4

Combine like terms: 0 + 0.4 = 0.4
-1b = 0.4

Divide each side by '-1'.
b = -0.4

Simplifying
b = -0.4

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