Solve the following equation 6y-20=2y-4

The earlier answer provided is correct, but I thought I'd add an explanation.

To solve for an unknown variable, you want to isolate the variable on one side of the equation (or = (equals) mark). In this case, I would subtract both sides by 2y, therefore eliminating it from the right side (2y-2y=0), and making 6y, 4y (6y-2y=4y).

You now have the equation 4y-20= -4

To isolate the y you need to "move" the 20 to the right side of the equation by adding both sides by 20. This leaves you with 4y (-20+20=0) on the left and 16 (-4+20=16) on the right.

You now have the equation 4y=16

To solve for y you need to divide by 4 because 4y is the same as 4 times (*) y. On the left of the equation you have 4y/4, which equals y. On the right of the equation you have 16/4, which equals 4.

You now have your answer, y = 4.

The answer is mathg.a.y

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