-3-(2+a)=

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

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

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

Solving
-5 + -1a = 0

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + -1a = 0 + 5

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

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

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

Simplifying
a = -5