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

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

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

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

Remove parenthesis around (4 + -1a)
2 + 2a = 4 + -1a

Solving
2 + 2a = 4 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
2 + 2a + a = 4 + -1a + a

Combine like terms: 2a + a = 3a
2 + 3a = 4 + -1a + a

Combine like terms: -1a + a = 0
2 + 3a = 4 + 0
2 + 3a = 4

Add '-2' to each side of the equation.
2 + -2 + 3a = 4 + -2

Combine like terms: 2 + -2 = 0
0 + 3a = 4 + -2
3a = 4 + -2

Combine like terms: 4 + -2 = 2
3a = 2

Divide each side by '3'.
a = 0.6666666667

Simplifying
a = 0.6666666667