Mathematics: Algebra I - Pls help - Brainliest for first answer

Algebra I - Pls help - Brainliest for first answer

zarzuba

04.02.2022

$\huge\boxed{l = \frac{p}{2} - 2}$

Step-by-step explanation:

If we have the equation p=2(l+w) and we want to solve for l, our goal is to isolate l on one side of the equation.

We can do this by reversing the equation - looking at what is stopping l from being alone on one side.

First lets divide both sides by 2:

$p \div 2 = 2(l+w) \div 2\\\frac{p}{2}=l+w$

Now we can subtract w from both sides.

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

Hope this helped!

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help4068

02.05.2020

Step-by-step explanation:

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