8-2b-11=b+21+9b

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Solution for 8-2b-11=b+21+9b equation:


Simplifying
8 + -2b + -11 = b + 21 + 9b

Reorder the terms:
8 + -11 + -2b = b + 21 + 9b

Combine like terms: 8 + -11 = -3
-3 + -2b = b + 21 + 9b

Reorder the terms:
-3 + -2b = 21 + b + 9b

Combine like terms: b + 9b = 10b
-3 + -2b = 21 + 10b

Solving
-3 + -2b = 21 + 10b

Solving for variable 'b'.

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

Add '-10b' to each side of the equation.
-3 + -2b + -10b = 21 + 10b + -10b

Combine like terms: -2b + -10b = -12b
-3 + -12b = 21 + 10b + -10b

Combine like terms: 10b + -10b = 0
-3 + -12b = 21 + 0
-3 + -12b = 21

Add '3' to each side of the equation.
-3 + 3 + -12b = 21 + 3

Combine like terms: -3 + 3 = 0
0 + -12b = 21 + 3
-12b = 21 + 3

Combine like terms: 21 + 3 = 24
-12b = 24

Divide each side by '-12'.
b = -2

Simplifying
b = -2

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