1b-4=9b

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Solution for 1b-4=9b equation:


Simplifying
1b + -4 = 9b

Reorder the terms:
-4 + 1b = 9b

Solving
-4 + 1b = 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.
-4 + 1b + -9b = 9b + -9b

Combine like terms: 1b + -9b = -8b
-4 + -8b = 9b + -9b

Combine like terms: 9b + -9b = 0
-4 + -8b = 0

Add '4' to each side of the equation.
-4 + 4 + -8b = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -8b = 0 + 4
-8b = 0 + 4

Combine like terms: 0 + 4 = 4
-8b = 4

Divide each side by '-8'.
b = -0.5

Simplifying
b = -0.5

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