3x-9-8b=11

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


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

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

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

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

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

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

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

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

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

Simplifying
b = -2.5 + 0.375x

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