Question

Solve the literal equation for the indicated variable. Show your work.

P=2(l+w) for l.

Answer 1

l = P/2 -w

Explanation:

P=2(l+w)

Divide each side by 2

P/2 = 2(l+w)/2

P/2 = l+w

Subtract w from each side

P/2 -w = l+w-w

P/2 -w =l