3b-4-9b-5=

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Solution for 3b-4-9b-5= equation:


Simplifying
3b + -4 + -9b + -5 = 0

Reorder the terms:
-4 + -5 + 3b + -9b = 0

Combine like terms: -4 + -5 = -9
-9 + 3b + -9b = 0

Combine like terms: 3b + -9b = -6b
-9 + -6b = 0

Solving
-9 + -6b = 0

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 9 + -6b = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -6b = 0 + 9
-6b = 0 + 9

Combine like terms: 0 + 9 = 9
-6b = 9

Divide each side by '-6'.
b = -1.5

Simplifying
b = -1.5

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