4b-12+4b=-9

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Solution for 4b-12+4b=-9 equation:


Simplifying
4b + -12 + 4b = -9

Reorder the terms:
-12 + 4b + 4b = -9

Combine like terms: 4b + 4b = 8b
-12 + 8b = -9

Solving
-12 + 8b = -9

Solving for variable 'b'.

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

Add '12' to each side of the equation.
-12 + 12 + 8b = -9 + 12

Combine like terms: -12 + 12 = 0
0 + 8b = -9 + 12
8b = -9 + 12

Combine like terms: -9 + 12 = 3
8b = 3

Divide each side by '8'.
b = 0.375

Simplifying
b = 0.375

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