4(a+5)=43.2

Solution for 4(a+5)=43.2 equation:

Simplifying
4(a + 5) = 43.2

Reorder the terms:
4(5 + a) = 43.2
(5 * 4 + a * 4) = 43.2
(20 + 4a) = 43.2

Solving
20 + 4a = 43.2

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + -20 + 4a = 43.2 + -20

Combine like terms: 20 + -20 = 0
0 + 4a = 43.2 + -20
4a = 43.2 + -20

Combine like terms: 43.2 + -20 = 23.2
4a = 23.2

Divide each side by '4'.
a = 5.8

Simplifying
a = 5.8