9(b-1)=42

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Solution for 9(b-1)=42 equation:


Simplifying
9(b + -1) = 42

Reorder the terms:
9(-1 + b) = 42
(-1 * 9 + b * 9) = 42
(-9 + 9b) = 42

Solving
-9 + 9b = 42

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 + 9 + 9b = 42 + 9

Combine like terms: -9 + 9 = 0
0 + 9b = 42 + 9
9b = 42 + 9

Combine like terms: 42 + 9 = 51
9b = 51

Divide each side by '9'.
b = 5.666666667

Simplifying
b = 5.666666667

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