3a-(1-2a)=

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

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

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

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

Solving
-1 + 5a = 0

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 5a = 0 + 1

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

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

Divide each side by '5'.
a = 0.2

Simplifying
a = 0.2