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how do you solve y/4=2?

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1 Answer

Here you are looking to solve for the unknown variable, y. To do so, you want to isolate this variable to one side of the equation in a way in which the equation will be in the form of " y =  " .

Notice that the left hand side of the equation is in the form of a fraction. Since you are dividing y by 4, you are essentially multiplying y by 1/4. That is,    y/4 = 2   ==>   (1/4)y = 2

So, to solve for y, multiply both sides of the equation by the reciprocal of 1/4, which is 4/1 (or, 4). This will isolate the y, thus solving for it.

      (1/4)y = 2

      (4) * (1/4)y = 2 * (4) 

      (4/4)y = 2*4

        y = 8