45=bu-9

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Solution for 45=bu-9 equation:


Simplifying
45 = bu + -9

Reorder the terms:
45 = -9 + bu

Solving
45 = -9 + bu

Solving for variable 'b'.

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

Add '-1bu' to each side of the equation.
45 + -1bu = -9 + bu + -1bu

Combine like terms: bu + -1bu = 0
45 + -1bu = -9 + 0
45 + -1bu = -9

Add '-45' to each side of the equation.
45 + -45 + -1bu = -9 + -45

Combine like terms: 45 + -45 = 0
0 + -1bu = -9 + -45
-1bu = -9 + -45

Combine like terms: -9 + -45 = -54
-1bu = -54

Divide each side by '-1u'.
b = 54u-1

Simplifying
b = 54u-1

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