Question

2.5h-15=4h

Answer 1

Okay. Subtract 2.5h from both sides.

Answer 2

From 4?

Answer 3

i'm very confused.

Answer 4

Nevermind that. You are right.

Answer 5

Subtract from 4h yes.

Answer 6

What did you get?

Answer 7

remember the goal is to isolate the h.

Answer 8

i'm not sure. i don't get it.

Answer 9

Okay:

In any algebra the goal is to get h by itself.

Answer 10

yes.

Answer 11

In other words you have to make sure h is only by itself. Do you understand?

Answer 12

I do.

Answer 13

Algebra is essentially playing with numbers. Now:

What can you do to h so it all goes to one side?

Answer 14

Hmmm. subtract it?

Answer 15

Yep!

Answer 16

So try to get rid of the 2.5 h on the right side.

Answer 17

In algebra what you do to one side, you also do to the other side.

Answer 18

So you can subtract 2.5h on both sides.

Answer 19

Does that make sense?

Answer 20

Here's what I've done so far :