19.2=7.3+a

Solution for 19.2=7.3+a equation:

Simplifying
19.2 = 7.3 + a

Solving
19.2 = 7.3 + 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.
19.2 + -1a = 7.3 + a + -1a

Combine like terms: a + -1a = 0
19.2 + -1a = 7.3 + 0
19.2 + -1a = 7.3

Add '-19.2' to each side of the equation.
19.2 + -19.2 + -1a = 7.3 + -19.2

Combine like terms: 19.2 + -19.2 = 0.0
0.0 + -1a = 7.3 + -19.2
-1a = 7.3 + -19.2

Combine like terms: 7.3 + -19.2 = -11.9
-1a = -11.9

Divide each side by '-1'.
a = 11.9

Simplifying
a = 11.9