(3a-5)-(2a+1)=

Solution for (3a-5)-(2a+1)= equation:

Simplifying
(3a + -5) + -1(2a + 1) = 0

Reorder the terms:
(-5 + 3a) + -1(2a + 1) = 0

Remove parenthesis around (-5 + 3a)
-5 + 3a + -1(2a + 1) = 0

Reorder the terms:
-5 + 3a + -1(1 + 2a) = 0
-5 + 3a + (1 * -1 + 2a * -1) = 0
-5 + 3a + (-1 + -2a) = 0

Reorder the terms:
-5 + -1 + 3a + -2a = 0

Combine like terms: -5 + -1 = -6
-6 + 3a + -2a = 0

Combine like terms: 3a + -2a = 1a
-6 + 1a = 0

Solving
-6 + 1a = 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 + 1a = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 1a = 0 + 6
1a = 0 + 6

Combine like terms: 0 + 6 = 6
1a = 6

Divide each side by '1'.
a = 6

Simplifying
a = 6