__5. if the formula for the perimeter of a rectangle
is p=21+2w, then w can be expressed as
21-p
p-1
(1) w=-
(3) w=
2
p-21
p-zw
(2) w-
(4) w = -
21
-
2
2

Step-by-step explanation:

Given:

The perimeter of a rectangle is given as,

We are asked to express this in terms of .

Add -2l both sides and simplify. This gives,

Now, we divide both sides by 2 to get an expression in terms of . This gives,

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step-by-step explanation: