3n-9-8b=11

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Solution for 3n-9-8b=11 equation:


Simplifying
3n + -9 + -8b = 11

Reorder the terms:
-9 + -8b + 3n = 11

Solving
-9 + -8b + 3n = 11

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + -8b + 9 + 3n = 11 + 9

Reorder the terms:
-9 + 9 + -8b + 3n = 11 + 9

Combine like terms: -9 + 9 = 0
0 + -8b + 3n = 11 + 9
-8b + 3n = 11 + 9

Combine like terms: 11 + 9 = 20
-8b + 3n = 20

Add '-3n' to each side of the equation.
-8b + 3n + -3n = 20 + -3n

Combine like terms: 3n + -3n = 0
-8b + 0 = 20 + -3n
-8b = 20 + -3n

Divide each side by '-8'.
b = -2.5 + 0.375n

Simplifying
b = -2.5 + 0.375n

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