b-3+3b=20

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


Simplifying
b + -3 + 3b = 20

Reorder the terms:
-3 + b + 3b = 20

Combine like terms: b + 3b = 4b
-3 + 4b = 20

Solving
-3 + 4b = 20

Solving for variable 'b'.

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

Add '3' to each side of the equation.
-3 + 3 + 4b = 20 + 3

Combine like terms: -3 + 3 = 0
0 + 4b = 20 + 3
4b = 20 + 3

Combine like terms: 20 + 3 = 23
4b = 23

Divide each side by '4'.
b = 5.75

Simplifying
b = 5.75

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