3.4=13.6+(3.4c)+1.7c

Solution for 3.4=13.6+(3.4c)+1.7c equation:

Simplifying
3.4 = 13.6 + (3.4c) + 1.7c

Combine like terms: (3.4c) + 1.7c = 5.1c
3.4 = 13.6 + 5.1c

Solving
3.4 = 13.6 + 5.1c

Solving for variable 'c'.

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

Add '-5.1c' to each side of the equation.
3.4 + -5.1c = 13.6 + 5.1c + -5.1c

Combine like terms: 5.1c + -5.1c = 0.0
3.4 + -5.1c = 13.6 + 0.0
3.4 + -5.1c = 13.6

Add '-3.4' to each side of the equation.
3.4 + -3.4 + -5.1c = 13.6 + -3.4

Combine like terms: 3.4 + -3.4 = 0.0
0.0 + -5.1c = 13.6 + -3.4
-5.1c = 13.6 + -3.4

Combine like terms: 13.6 + -3.4 = 10.2
-5.1c = 10.2

Divide each side by '-5.1'.
c = -2

Simplifying
c = -2