15.6=2(3+0.1n+0.7n)

Solution for 15.6=2(3+0.1n+0.7n) equation:

Simplifying
15.6 = 2(3 + 0.1n + 0.7n)

Combine like terms: 0.1n + 0.7n = 0.8n
15.6 = 2(3 + 0.8n)
15.6 = (3 * 2 + 0.8n * 2)
15.6 = (6 + 1.6n)

Solving
15.6 = 6 + 1.6n

Solving for variable 'n'.

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

Add '-1.6n' to each side of the equation.
15.6 + -1.6n = 6 + 1.6n + -1.6n

Combine like terms: 1.6n + -1.6n = 0.0
15.6 + -1.6n = 6 + 0.0
15.6 + -1.6n = 6

Add '-15.6' to each side of the equation.
15.6 + -15.6 + -1.6n = 6 + -15.6

Combine like terms: 15.6 + -15.6 = 0.0
0.0 + -1.6n = 6 + -15.6
-1.6n = 6 + -15.6

Combine like terms: 6 + -15.6 = -9.6
-1.6n = -9.6

Divide each side by '-1.6'.
n = 6

Simplifying
n = 6