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bulgar [2K]
3 years ago
9

PLEASE HELP which statement is true about the system x-3y=5 and y=x-7

Mathematics
1 answer:
LuckyWell [14K]3 years ago
4 0

Answer: C

Step-by-step explanation:

x-3y=5, y=x-7 *solve it

the answer is (8,1)

so..

C. (8,1) is a solution to both equations so it is a solution to the system

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Why does it help to rearrange
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Answer:

You don't really need to do it, but it helps you keep things more organized and easier to follow. Imagine if you're doing some multi-variable equation,

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that looks like a mess, it'll be easier to look at if you put all the similar variables next to each others like this:

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What is -15.5/5 simplified
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Sveta_85 [38]

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1 year ago
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