9b-40=-4

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Solution for 9b-40=-4 equation: 


Simplifying
9b + -40 = -4

Reorder the terms:
-40 + 9b = -4

Solving
-40 + 9b = -4

Solving for variable 'b'.

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

Add '40' to each side of the equation.
-40 + 40 + 9b = -4 + 40

Combine like terms: -40 + 40 = 0
0 + 9b = -4 + 40
9b = -4 + 40

Combine like terms: -4 + 40 = 36
9b = 36

Divide each side by '9'.
b = 4

Simplifying
b = 4

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