4b-12-5b=9b+8

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Solution for 4b-12-5b=9b+8 equation:


Simplifying
4b + -12 + -5b = 9b + 8

Reorder the terms:
-12 + 4b + -5b = 9b + 8

Combine like terms: 4b + -5b = -1b
-12 + -1b = 9b + 8

Reorder the terms:
-12 + -1b = 8 + 9b

Solving
-12 + -1b = 8 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-12 + -1b + -9b = 8 + 9b + -9b

Combine like terms: -1b + -9b = -10b
-12 + -10b = 8 + 9b + -9b

Combine like terms: 9b + -9b = 0
-12 + -10b = 8 + 0
-12 + -10b = 8

Add '12' to each side of the equation.
-12 + 12 + -10b = 8 + 12

Combine like terms: -12 + 12 = 0
0 + -10b = 8 + 12
-10b = 8 + 12

Combine like terms: 8 + 12 = 20
-10b = 20

Divide each side by '-10'.
b = -2

Simplifying
b = -2

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