Question

Simplify the following expression
x - 4y + 5z - 3x - y + 2z = ?.

Answer 1

Very simple. Solve for one variable at a time.

Answer 2

Solve for y, then z, then x.

Answer 3

What are the answer options?

Answer 4

2x - 5y + 7z
-2x - 5y - 7z
-2x - 5y + 7z
-2x -5y + 3z

Answer 5

What is 1x-3x? -4y - 1y? 5z+2z? There's your answer.

Answer 6

oh I see, can u help me with one more?

Answer 7

sure

Answer 8

A solution of salt and water contains 75 grams of water per 150 milliliters of the solution. If 1 mole of water weighs 16 grams, _____ moles of water would be present in 30 milliliters of the solution. [Round off your answer to two decimal places]

Answer 9

I don't feel like explaining all of that...so I'll just give you the answer okay?

Answer 10

alright, I kinda get it anyways

Answer 11

What are the options?

Answer 12

its a fill-in-the-blank

Answer 13

Okay give me a minute to figure it out...

Answer 14

otay

Answer 15

I think the answer is 0.94...don't murder me if I'm wrong lol

Answer 16

no that is the right answer I just wanted to double check

Answer 17

Thanks a lot!

Answer 18

No problem