-43.98-(-21.98)=a

Solution for -43.98-(-21.98)=a equation:

Simplifying
-43.98 + -1(-21.98) = a

Multiply -1 * -21.98
-43.98 + 21.98 = a

Combine like terms: -43.98 + 21.98 = -22
-22 = a

Solving
-22 = 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.
-22 + -1a = a + -1a

Combine like terms: a + -1a = 0
-22 + -1a = 0

Add '22' to each side of the equation.
-22 + 22 + -1a = 0 + 22

Combine like terms: -22 + 22 = 0
0 + -1a = 0 + 22
-1a = 0 + 22

Combine like terms: 0 + 22 = 22
-1a = 22

Divide each side by '-1'.
a = -22

Simplifying
a = -22