b-1+3b=39

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Solution for b-1+3b=39 equation: 


Simplifying
b + -1 + 3b = 39

Reorder the terms:
-1 + b + 3b = 39

Combine like terms: b + 3b = 4b
-1 + 4b = 39

Solving
-1 + 4b = 39

Solving for variable 'b'.

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

Add '1' to each side of the equation.
-1 + 1 + 4b = 39 + 1

Combine like terms: -1 + 1 = 0
0 + 4b = 39 + 1
4b = 39 + 1

Combine like terms: 39 + 1 = 40
4b = 40

Divide each side by '4'.
b = 10

Simplifying
b = 10

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