2l+2(w-4)=40

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Solution for 2l+2(w-4)=40 equation:


Simplifying
2l + 2(w + -4) = 40

Reorder the terms:
2l + 2(-4 + w) = 40
2l + (-4 * 2 + w * 2) = 40
2l + (-8 + 2w) = 40

Reorder the terms:
-8 + 2l + 2w = 40

Solving
-8 + 2l + 2w = 40

Solving for variable 'l'.

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

Add '8' to each side of the equation.
-8 + 2l + 8 + 2w = 40 + 8

Reorder the terms:
-8 + 8 + 2l + 2w = 40 + 8

Combine like terms: -8 + 8 = 0
0 + 2l + 2w = 40 + 8
2l + 2w = 40 + 8

Combine like terms: 40 + 8 = 48
2l + 2w = 48

Add '-2w' to each side of the equation.
2l + 2w + -2w = 48 + -2w

Combine like terms: 2w + -2w = 0
2l + 0 = 48 + -2w
2l = 48 + -2w

Divide each side by '2'.
l = 24 + -1w

Simplifying
l = 24 + -1w

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