1+8b-4=-12-b

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Solution for 1+8b-4=-12-b equation:


Simplifying
1 + 8b + -4 = -12 + -1b

Reorder the terms:
1 + -4 + 8b = -12 + -1b

Combine like terms: 1 + -4 = -3
-3 + 8b = -12 + -1b

Solving
-3 + 8b = -12 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-3 + 8b + b = -12 + -1b + b

Combine like terms: 8b + b = 9b
-3 + 9b = -12 + -1b + b

Combine like terms: -1b + b = 0
-3 + 9b = -12 + 0
-3 + 9b = -12

Add '3' to each side of the equation.
-3 + 3 + 9b = -12 + 3

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

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

Divide each side by '9'.
b = -1

Simplifying
b = -1

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