4-4b-9+9b=

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Solution for 4-4b-9+9b= equation:


Simplifying
4 + -4b + -9 + 9b = 0

Reorder the terms:
4 + -9 + -4b + 9b = 0

Combine like terms: 4 + -9 = -5
-5 + -4b + 9b = 0

Combine like terms: -4b + 9b = 5b
-5 + 5b = 0

Solving
-5 + 5b = 0

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + 5b = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 5b = 0 + 5
5b = 0 + 5

Combine like terms: 0 + 5 = 5
5b = 5

Divide each side by '5'.
b = 1

Simplifying
b = 1

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