11.5=a+4.5

Solution for 11.5=a+4.5 equation:

Simplifying
11.5 = a + 4.5

Reorder the terms:
11.5 = 4.5 + a

Solving
11.5 = 4.5 + 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.
11.5 + -1a = 4.5 + a + -1a

Combine like terms: a + -1a = 0
11.5 + -1a = 4.5 + 0
11.5 + -1a = 4.5

Add '-11.5' to each side of the equation.
11.5 + -11.5 + -1a = 4.5 + -11.5

Combine like terms: 11.5 + -11.5 = 0.0
0.0 + -1a = 4.5 + -11.5
-1a = 4.5 + -11.5

Combine like terms: 4.5 + -11.5 = -7
-1a = -7

Divide each side by '-1'.
a = 7

Simplifying
a = 7