4a-2(a-1)=

Solution for 4a-2(a-1)= equation:

Simplifying
4a + -2(a + -1) = 0

Reorder the terms:
4a + -2(-1 + a) = 0
4a + (-1 * -2 + a * -2) = 0
4a + (2 + -2a) = 0

Reorder the terms:
2 + 4a + -2a = 0

Combine like terms: 4a + -2a = 2a
2 + 2a = 0

Solving
2 + 2a = 0

Solving for variable 'a'.

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

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

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

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

Divide each side by '2'.
a = -1

Simplifying
a = -1