3b-(1-2b)=

Solution for 3b-(1-2b)= equation:

Simplifying
3b + -1(1 + -2b) = 0
3b + (1 * -1 + -2b * -1) = 0
3b + (-1 + 2b) = 0

Reorder the terms:
-1 + 3b + 2b = 0

Combine like terms: 3b + 2b = 5b
-1 + 5b = 0

Solving
-1 + 5b = 0

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 + 5b = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 5b = 0 + 1
5b = 0 + 1

Combine like terms: 0 + 1 = 1
5b = 1

Divide each side by '5'.
b = 0.2

Simplifying
b = 0.2