-4b-9-3=b+8

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Solution for -4b-9-3=b+8 equation:


Simplifying
-4b + -9 + -3 = b + 8

Reorder the terms:
-9 + -3 + -4b = b + 8

Combine like terms: -9 + -3 = -12
-12 + -4b = b + 8

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

Solving
-12 + -4b = 8 + 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.
-12 + -4b + -1b = 8 + b + -1b

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

Combine like terms: b + -1b = 0
-12 + -5b = 8 + 0
-12 + -5b = 8

Add '12' to each side of the equation.
-12 + 12 + -5b = 8 + 12

Combine like terms: -12 + 12 = 0
0 + -5b = 8 + 12
-5b = 8 + 12

Combine like terms: 8 + 12 = 20
-5b = 20

Divide each side by '-5'.
b = -4

Simplifying
b = -4

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