14=2(2.50)+2(l)

Solution for 14=2(2.50)+2(l) equation:

Simplifying
14 = 2(2.50) + 2(l)

Multiply 2 * 2.50
14 = 5 + 2(l)

Solving
14 = 5 + 2l

Solving for variable 'l'.

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

Add '-2l' to each side of the equation.
14 + -2l = 5 + 2l + -2l

Combine like terms: 2l + -2l = 0
14 + -2l = 5 + 0
14 + -2l = 5

Add '-14' to each side of the equation.
14 + -14 + -2l = 5 + -14

Combine like terms: 14 + -14 = 0
0 + -2l = 5 + -14
-2l = 5 + -14

Combine like terms: 5 + -14 = -9
-2l = -9

Divide each side by '-2'.
l = 4.5

Simplifying
l = 4.5