3.5=2(.6+2l)

Solution for 3.5=2(.6+2l) equation:

Simplifying
3.5 = 2(0.6 + 2l)
3.5 = (0.6 * 2 + 2l * 2)
3.5 = (1.2 + 4l)

Solving
3.5 = 1.2 + 4l

Solving for variable 'l'.

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

Add '-4l' to each side of the equation.
3.5 + -4l = 1.2 + 4l + -4l

Combine like terms: 4l + -4l = 0
3.5 + -4l = 1.2 + 0
3.5 + -4l = 1.2

Add '-3.5' to each side of the equation.
3.5 + -3.5 + -4l = 1.2 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -4l = 1.2 + -3.5
-4l = 1.2 + -3.5

Combine like terms: 1.2 + -3.5 = -2.3
-4l = -2.3

Divide each side by '-4'.
l = 0.575

Simplifying
l = 0.575