Question

Osvaldo’s teacher asked him to write an equivalent equation for length, l, in terms of perimeter, p, and width, w. He wrote:

Answer 1

Answer:

In step 2, he had to divide both sides by 2.

Step-by-step explanation:

took the prac. on edge

Answer 2

Answer:

step 2

Step-by-step explanation:

Given

p = 2l + 2w ( subtract 2w from both sides )

p - 2w = 2l ← correct step 1

Now, divide both sides by the multiplier 2

$\frac{p-2w}{2}$ = l