-22-9=a

Solution for -22-9=a equation:

Simplifying
-22 + -9 = a

Combine like terms: -22 + -9 = -31
-31 = a

Solving
-31 = 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.
-31 + -1a = a + -1a

Combine like terms: a + -1a = 0
-31 + -1a = 0

Add '31' to each side of the equation.
-31 + 31 + -1a = 0 + 31

Combine like terms: -31 + 31 = 0
0 + -1a = 0 + 31
-1a = 0 + 31

Combine like terms: 0 + 31 = 31
-1a = 31

Divide each side by '-1'.
a = -31

Simplifying
a = -31