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solving the formula for the indicated variable-s = lw + wh + lh, for whow do i start this problem?

Sagot :

The first step we need to take in order to solve the formula for w is changing the side of all the terms that have a w in it to the left side.

[tex]\begin{gathered} s=lw+wh+lh \\ s-lw-wh=lh \end{gathered}[/tex]

Then we change switch all the terms that don't have w from the left to the right.

[tex]-lw-wh=lh-s[/tex]

Since we have two terms on the left with a "w" we can factor then using the common term:

[tex]w(-l-h)=lh-s[/tex]

Now we divide both sides by (-l-h).

[tex]\begin{gathered} w=\frac{lh-s}{-l-h} \\ w=\frac{-lh+s}{l+h} \end{gathered}[/tex]

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