2(d+3.6)=14.2

Solution for 2(d+3.6)=14.2 equation:

Simplifying
2(d + 3.6) = 14.2

Reorder the terms:
2(3.6 + d) = 14.2
(3.6 * 2 + d * 2) = 14.2
(7.2 + 2d) = 14.2

Solving
7.2 + 2d = 14.2

Solving for variable 'd'.

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

Add '-7.2' to each side of the equation.
7.2 + -7.2 + 2d = 14.2 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + 2d = 14.2 + -7.2
2d = 14.2 + -7.2

Combine like terms: 14.2 + -7.2 = 7
2d = 7

Divide each side by '2'.
d = 3.5

Simplifying
d = 3.5