Answer:
-20x+8
Step-by-step explanation:
Step 1: rearrange the equation
16x^2 - 3x^2 - 7x - 13x +8
Step 2: solve the equation
16x^2 - 3x^2 = 13x^2
-7x - 13x = -20x
(the +8 will stay the same)
so when we put it all together it gives us
13x^2 - 20x + 8
Answer:
I have appsolutaly no idea but I'm sure you'll figure it out if not try googling it out
Answer:
this has to be a meme
Step-by-step explanation:
are you trolling us
Combine like terms.
Since 7x and 6x both have a variable of x, you can combine them.

After that, you are left with:

You also have two numbers without variables; 11 and 3. You can also combine those.

So, your final answer would be:

Answer:
Well, 60 (minutes in an hour) divided by 12 (from the problem) is 5, so you have to multiply that 5 by the 5 from the problem to find that the train is going 25 (5*5) mph. Just double this for two hours, and you result in 50!
Step-by-step explanation: