3(a+4)-7=5.6

Solution for 3(a+4)-7=5.6 equation:

Simplifying
3(a + 4) + -7 = 5.6

Reorder the terms:
3(4 + a) + -7 = 5.6
(4 * 3 + a * 3) + -7 = 5.6
(12 + 3a) + -7 = 5.6

Reorder the terms:
12 + -7 + 3a = 5.6

Combine like terms: 12 + -7 = 5
5 + 3a = 5.6

Solving
5 + 3a = 5.6

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 3a = 5.6 + -5

Combine like terms: 5 + -5 = 0
0 + 3a = 5.6 + -5
3a = 5.6 + -5

Combine like terms: 5.6 + -5 = 0.6
3a = 0.6

Divide each side by '3'.
a = 0.2

Simplifying
a = 0.2