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

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

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

Combine like terms: 2 + 3 = 5
2(5) + -1(6a + 1) = 3

Multiply 2 * 5
10 + -1(6a + 1) = 3

Reorder the terms:
10 + -1(1 + 6a) = 3
10 + (1 * -1 + 6a * -1) = 3
10 + (-1 + -6a) = 3

Combine like terms: 10 + -1 = 9
9 + -6a = 3

Solving
9 + -6a = 3

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + -6a = 3 + -9

Combine like terms: 9 + -9 = 0
0 + -6a = 3 + -9
-6a = 3 + -9

Combine like terms: 3 + -9 = -6
-6a = -6

Divide each side by '-6'.
a = 1

Simplifying
a = 1