3-2(a-1)=

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

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

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

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

Solving
5 + -2a = 0

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + -2a = 0 + -5

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

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

Divide each side by '-2'.
a = 2.5

Simplifying
a = 2.5