9+9b-4-2b=

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Solution for 9+9b-4-2b= equation:


Simplifying
9 + 9b + -4 + -2b = 0

Reorder the terms:
9 + -4 + 9b + -2b = 0

Combine like terms: 9 + -4 = 5
5 + 9b + -2b = 0

Combine like terms: 9b + -2b = 7b
5 + 7b = 0

Solving
5 + 7b = 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 + 7b = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 7b = 0 + -5
7b = 0 + -5

Combine like terms: 0 + -5 = -5
7b = -5

Divide each side by '7'.
b = -0.7142857143

Simplifying
b = -0.7142857143

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