4(l-1)+2(l-1)=0

Solution for 4(l-1)+2(l-1)=0 equation:

Simplifying
4(l + -1) + 2(l + -1) = 0

Reorder the terms:
4(-1 + l) + 2(l + -1) = 0
(-1 * 4 + l * 4) + 2(l + -1) = 0
(-4 + 4l) + 2(l + -1) = 0

Reorder the terms:
-4 + 4l + 2(-1 + l) = 0
-4 + 4l + (-1 * 2 + l * 2) = 0
-4 + 4l + (-2 + 2l) = 0

Reorder the terms:
-4 + -2 + 4l + 2l = 0

Combine like terms: -4 + -2 = -6
-6 + 4l + 2l = 0

Combine like terms: 4l + 2l = 6l
-6 + 6l = 0

Solving
-6 + 6l = 0

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 + 6l = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 6l = 0 + 6
6l = 0 + 6

Combine like terms: 0 + 6 = 6
6l = 6

Divide each side by '6'.
l = 1

Simplifying
l = 1