3b-5b+12b-3b=20

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Solution for 3b-5b+12b-3b=20 equation: 


Simplifying
3b + -5b + 12b + -3b = 20

Combine like terms: 3b + -5b = -2b
-2b + 12b + -3b = 20

Combine like terms: -2b + 12b = 10b
10b + -3b = 20

Combine like terms: 10b + -3b = 7b
7b = 20

Solving
7b = 20

Solving for variable 'b'.

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

Divide each side by '7'.
b = 2.857142857

Simplifying
b = 2.857142857

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