7b=12+3b

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Solution for 7b=12+3b equation: 


Simplifying
7b = 12 + 3b

Solving
7b = 12 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
7b + -3b = 12 + 3b + -3b

Combine like terms: 7b + -3b = 4b
4b = 12 + 3b + -3b

Combine like terms: 3b + -3b = 0
4b = 12 + 0
4b = 12

Divide each side by '4'.
b = 3

Simplifying
b = 3

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