6(a+9)=85.2

Solution for 6(a+9)=85.2 equation:

Simplifying
6(a + 9) = 85.2

Reorder the terms:
6(9 + a) = 85.2
(9 * 6 + a * 6) = 85.2
(54 + 6a) = 85.2

Solving
54 + 6a = 85.2

Solving for variable 'a'.

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

Add '-54' to each side of the equation.
54 + -54 + 6a = 85.2 + -54

Combine like terms: 54 + -54 = 0
0 + 6a = 85.2 + -54
6a = 85.2 + -54

Combine like terms: 85.2 + -54 = 31.2
6a = 31.2

Divide each side by '6'.
a = 5.2

Simplifying
a = 5.2