144=9b+3b

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Solution for 144=9b+3b equation:


Simplifying
144 = 9b + 3b

Combine like terms: 9b + 3b = 12b
144 = 12b

Solving
144 = 12b

Solving for variable 'b'.

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

Add '-12b' to each side of the equation.
144 + -12b = 12b + -12b

Combine like terms: 12b + -12b = 0
144 + -12b = 0

Add '-144' to each side of the equation.
144 + -144 + -12b = 0 + -144

Combine like terms: 144 + -144 = 0
0 + -12b = 0 + -144
-12b = 0 + -144

Combine like terms: 0 + -144 = -144
-12b = -144

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

Simplifying
b = 12

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