How do you solve for y: in $3 y = a b$ $3y = ab$ ?

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Answer 1 · 2016-07-17T01:24:34

$y = \frac{a b}{3}$ $color(hotpink)("y = (ab)/3$

Let's divide both sides by three to get $y$ $y$ by itself:

$(cancel"3"y)/cancel3=(ab)/3$

Dividing by the same number (three in our case) gives you one on the left side so you are just left with $y$ :

$y = (ab)/3$

How do you solve for y: in 3y = ab3y=ab 3y = ab?