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

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

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

Reorder the terms:
4(2 + a) + -2(a + 1) = 0
(2 * 4 + a * 4) + -2(a + 1) = 0
(8 + 4a) + -2(a + 1) = 0

Reorder the terms:
8 + 4a + -2(1 + a) = 0
8 + 4a + (1 * -2 + a * -2) = 0
8 + 4a + (-2 + -2a) = 0

Reorder the terms:
8 + -2 + 4a + -2a = 0

Combine like terms: 8 + -2 = 6
6 + 4a + -2a = 0

Combine like terms: 4a + -2a = 2a
6 + 2a = 0

Solving
6 + 2a = 0

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 2a = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 2a = 0 + -6
2a = 0 + -6

Combine like terms: 0 + -6 = -6
2a = -6

Divide each side by '2'.
a = -3

Simplifying
a = -3