3b-4=-9+b

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


Simplifying
3b + -4 = -9 + b

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

Solving
-4 + 3b = -9 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-4 + 3b + -1b = -9 + b + -1b

Combine like terms: 3b + -1b = 2b
-4 + 2b = -9 + b + -1b

Combine like terms: b + -1b = 0
-4 + 2b = -9 + 0
-4 + 2b = -9

Add '4' to each side of the equation.
-4 + 4 + 2b = -9 + 4

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

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

Divide each side by '2'.
b = -2.5

Simplifying
b = -2.5

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