4(3a+1)-(a+2)=

Solution for 4(3a+1)-(a+2)= equation:

Simplifying
4(3a + 1) + -1(a + 2) = 0

Reorder the terms:
4(1 + 3a) + -1(a + 2) = 0
(1 * 4 + 3a * 4) + -1(a + 2) = 0
(4 + 12a) + -1(a + 2) = 0

Reorder the terms:
4 + 12a + -1(2 + a) = 0
4 + 12a + (2 * -1 + a * -1) = 0
4 + 12a + (-2 + -1a) = 0

Reorder the terms:
4 + -2 + 12a + -1a = 0

Combine like terms: 4 + -2 = 2
2 + 12a + -1a = 0

Combine like terms: 12a + -1a = 11a
2 + 11a = 0

Solving
2 + 11a = 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 + 11a = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 11a = 0 + -2
11a = 0 + -2

Combine like terms: 0 + -2 = -2
11a = -2

Divide each side by '11'.
a = -0.1818181818

Simplifying
a = -0.1818181818