-(6a+1)+2(3+a)=a

Solution for -(6a+1)+2(3+a)=a equation:

Simplifying
-1(6a + 1) + 2(3 + a) = a

Reorder the terms:
-1(1 + 6a) + 2(3 + a) = a
(1 * -1 + 6a * -1) + 2(3 + a) = a
(-1 + -6a) + 2(3 + a) = a
-1 + -6a + (3 * 2 + a * 2) = a
-1 + -6a + (6 + 2a) = a

Reorder the terms:
-1 + 6 + -6a + 2a = a

Combine like terms: -1 + 6 = 5
5 + -6a + 2a = a

Combine like terms: -6a + 2a = -4a
5 + -4a = a

Solving
5 + -4a = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
5 + -4a + -1a = a + -1a

Combine like terms: -4a + -1a = -5a
5 + -5a = a + -1a

Combine like terms: a + -1a = 0
5 + -5a = 0

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

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

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

Divide each side by '-5'.
a = 1

Simplifying
a = 1