So we're subtracting 3 from that side, and subtracting 3 from the right side.

We're just adding and subtracting from both sides, in this case, subtracting.

Hey, look. Subtracting 8 from 9?

And from that, we're subtracting 42.

We're subtracting an 8 from a 9.

We're also subtracting a 0.7 from 0.2.

You're sub... from that you're subtracting 16.

So we're subtracting 5 from the left.

Subtracting 20. And subtracting 3 ones.

So I am subtracting 20 from both sides.

So right now we're subtracting 9 from nothing.

Remember, we're subtracting this negative number from 10x.

I'm just subtracting this line from that line.

I shifted by subtracting 50 from either dimension.

And we're also subtracting 5 from the right.

Because we're subtracting a positive number from this.

We're subtracting 400, and we're subtracting 150.

When you're subtracting 8 you're subtracting another 6.

So we're subtracting 40, and we're subtracting 2.

We're subtracting 42. We're subtracting 40 and 2.

And then we're subtracting b squared from both sides.

Instead of subtracting something from that, let's add 2.

let's see, we're subtracting 2v squared from both sides.

Well, you're subtracting 5 from both sides of this equation.

I'm subtracting 8x.

Or another way of thinking about it, we're subtracting 600, we're subtracting 50, we are subtracting 9.

And we're subtracting this. We're subtracting 600 plus 50 plus 9.

And we can do that by subtracting sevenx from both sides.

The first one goes up by subtracting 1 from this dimension.

We're subtracting 2 x's.

We're subtracting that 8.

I want to take A B. So I'm subtracting A from B.

And we can just do that by subtracting two from both sides.

We're subtracting both of them.

We're adding and subtracting numbers.

We're subtracting. So minus 6000.

So let's just start off subtracting 2x from both sides of the equation.

All we're doing is simplifying the sides, or adding and subtracting from them.

So we're starting at a negative number and then we're subtracting from that.

And then from that, adding a negative 0.79 is equivalent of subtracting 0.79.

We remedy this by actually subtracting the tilelndex from the firstgid, giving us

And this number right here, we are subtracting 8 thousands we are subtracting 0 hundreds.

Seeing that you could figure out BE by subtracting it from AE minus BE

Why am I subtracting out 9?

So you distribute the negative sign subtracting at three and then you're subtracting the two fifths.