asked 180k views
2 votes
If

p = 2l + 2w
solve for

l


1 Answer

5 votes

Answer:

l = -w + (p/2)

Explanation:

Isolate the variable l. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. First, subtract 2w from both sides.

p = 2l + 2w

p (-2w) = 2l + 2w (-2w)

p - 2w = 2l

Isolate the l. Divide 2 from both sides.

(2l)/2 = (-2w + p)/2

l = -w + (p/2)

l = -w + (p/2) is your answer.

~

answered
User Tsuyoshi Ito
by
8.6k points
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