Question

Solve the equation for the indicated variable.
P=2l+2w; for l

Answer 1

`P=2l+2w \\ \\ P-2w=2l \\ \\ l=(P-2w)/(2)`

Answer 2

`\sf I = (p -2w)/(2)`

Explanation:

Solving an equation:

p = 2l + 2w

• First isolate the term with 'I'. So, subtract 2w from both sides.

p - 2w = 2I

• Now, isolate 'I' by dividing both sides by 2

`\sf (p - 2w)/(2)= I`