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Lelu [443]
3 years ago
5

2x+3y=9

Mathematics
2 answers:
Maslowich3 years ago
4 0
This was my answer for someone else question exactly like this :)

Radda [10]3 years ago
4 0
Answer: x=3, y=1

- multiply the second equation by -2; it becomes -2x-10y= -16
- add 2x+3y=9 and -2x-10y= -16
- we get -7y=-7
- solve for y by dividing both sides by -7
- we get y=1
- now that we have found y, we pick either original equation to plug it into to get the value of x
- if we use 2x+3y=9, we plug 1 in for y to get 2x+3(1)=9
- 3x1=3, so the equation is now 2x+3=9
- to eliminate the 3, we add -3 to both sides.
- after that, we are left with 2x=6
- by dividing both sides by 2, we are left with x=3
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Answer:

8

Step-by-step explanation:

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And if we divide the average miles with the miles left, it gives us= 1227/409

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8 0
2 years ago
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KiRa [710]
The last awnser is 15x + 2 and the first one is explained below:
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3 0
3 years ago
Please help ASAP, giving lots of points.
BARSIC [14]
The answers is the last one

6 0
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Step-by-step explanation:

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