Question

Solve |2y - 2| = y.

{2/3, 2}

{2, 3}

{2, 5}

{1/3, 2}

Answer 1

I got {2,2/3} but that is not one of the answers

Answer 2

It's {2/3, 2}. Want the explanation?

Answer 3

Yes Please

Answer 4

yup 2/3,2 is right

Answer 5

An absolute value equation like this can go 2 ways.

One way is: 2y-2=y, you solve for y which means -y=-2, or y=2.

That's the first one.

For the next one, you negate the equation.

-(2y-2)=y

-2y+2=y, 3y=2, y= 2/3

Answer 6

Thanks