2(L+L-3)=12.5

Solution for 2(L+L-3)=12.5 equation:

Simplifying
2(L + L + -3) = 12.5

Reorder the terms:
2(-3 + L + L) = 12.5

Combine like terms: L + L = 2L
2(-3 + 2L) = 12.5
(-3 * 2 + 2L * 2) = 12.5
(-6 + 4L) = 12.5

Solving
-6 + 4L = 12.5

Solving for variable 'L'.

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

Add '6' to each side of the equation.
-6 + 6 + 4L = 12.5 + 6

Combine like terms: -6 + 6 = 0
0 + 4L = 12.5 + 6
4L = 12.5 + 6

Combine like terms: 12.5 + 6 = 18.5
4L = 18.5

Divide each side by '4'.
L = 4.625

Simplifying
L = 4.625