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Tpy6a [65]
3 years ago
7

How can you solve y=-2x+20 by substitution?

Mathematics
1 answer:
levacccp [35]3 years ago
8 0

Answer:

subtract from both sides and then multiplying both sides

Step-by-step explanation:

how can you solve y = -2x + 25 by subtraction

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Tanya drove 3 1/2 hours and used 1/3 tank of gas. For how long could Tanya drive using​ 1/2 ​tank of gas?
creativ13 [48]
<span>
3 1/2  = 7/2

7/2  hours and used 1/3 tank of gas
</span><span>? hours and used 1/2 tank of gas

1/2 * 7/2
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answer: 5 1/4 hours </span><span>Tanya could drive using​ 1/2 ​tank of gas</span><span>

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