-9(b-3)=135

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Solution for -9(b-3)=135 equation:


Simplifying
-9(b + -3) = 135

Reorder the terms:
-9(-3 + b) = 135
(-3 * -9 + b * -9) = 135
(27 + -9b) = 135

Solving
27 + -9b = 135

Solving for variable 'b'.

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

Add '-27' to each side of the equation.
27 + -27 + -9b = 135 + -27

Combine like terms: 27 + -27 = 0
0 + -9b = 135 + -27
-9b = 135 + -27

Combine like terms: 135 + -27 = 108
-9b = 108

Divide each side by '-9'.
b = -12

Simplifying
b = -12

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