3b-4-12b-8=

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Solution for 3b-4-12b-8= equation:


Simplifying
3b + -4 + -12b + -8 = 0

Reorder the terms:
-4 + -8 + 3b + -12b = 0

Combine like terms: -4 + -8 = -12
-12 + 3b + -12b = 0

Combine like terms: 3b + -12b = -9b
-12 + -9b = 0

Solving
-12 + -9b = 0

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 + -9b = 0 + 12

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

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

Divide each side by '-9'.
b = -1.333333333

Simplifying
b = -1.333333333

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