Question

Solve the formula P = 2l + 2w for w.

A) w = P - 2l
B)
\[\Large w=\frac{ P }{ 2l }\]
C)
\[\Large w = \frac{ 2p }{ 2l }\]
D)
\[\Large w = \frac{ p-21 }{ 2 }\]

Answer 1

P = 2l+2w

Bring 2l to the other side

P - 2l = 2w

Separate the 2 from the w

(P - 2l)/2 = w

Does that make sense?