How do you solve for w in #A = lw#?

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Answer 1 · 2015-11-15T11:23:20

#w=A/l#

Given:

#A = lw#

To isolate w divide both sides by #l# giving

#A divide l = lw divide l#

#A/l = l/l w#

But #l/l=1 " and " 1 times w=w#

So we have

#A/l=w#

Normal practice would be to have what you are looking for (dependant variable) to be on the left

#w=A/l#