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Someone please help me
Okay first set up some equations. 5A + 3S = $180 A + S = 50
Then what I do
Now we have to solve these 2 equations. Multiply the bottom equation by -3 and it becomes -3A -3S = -50 We then add this to the first equation 5A + 3S = $180 -3A -3S = -150 Can you take it from there?
I still don't get it How did u do it?
Okay the first equation sets up the money part of it $5 * (# of adult tickets) + $3*(# of student tickets) = $180
The second equation is concerned with the number of tickets # of Adult tickets + # of Student tickets = 50 tickets
But how do I solve that problem?
Okay time for that. When you have 2 unknowns, you need 2 equations and you have to know how to solve those. 5A + 3S = $180 A + S = 50 One way to do this is to multiply one equation by another number so when added to the other equation one unknown will be eliminated. So we get the second equation and multiply it by -3. Why? Because this eliminates one of the unkowns. 5A + 3S = $180 -3A -3S = -150 Can you add those 2 equations?
That's about the easiest way. Anyway, I'll send you an E-Mail.
Thank you so much
Can I have your email So if I need help I can ask u It's okay if you don't want to
I already sent you an E-Mail so just go to your mailbox.
It didn't say anything about the problem
Well I did say a few postings ago can you add these 2 equations? 5A + 3S = $180 -3A -3S = -150
I got the answer But how can I explain it in word
Why did u multiply -3 with the bottom equation
How did u get -3
It was done to eliminate 1 unknown.
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Then please answer it
Someone contact me in email and help me out please