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Gala2k [10]
3 years ago
13

-2x+y=12 3x+2y=38 You have to use substitution to solve this problem

Mathematics
1 answer:
tatiyna3 years ago
5 0


{-2x+y=12    => y=12+2x

{3x+2y=38

3x+2(12+2x)=38

3x+24+4x=38    /-24

7x=14  /:7

x=2

y=12+2*2=12+4=16

y=16

<em>Solution: (2; 16)</em>

<em>
</em>



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garik1379 [7]

The distance of Jamal's house to the park is 12 miles.

<h3>How to find the number in miles from Jamal's house to the park?</h3>

The distance from Loretta's house to a park is 43 miles.

Her friend Jamal lives along this same highway between Loretta's house and the park.

The distance from Loretta's house to Jamal's house is 31 miles.

The situations forms a straight line segment.

Therefore,

Loretta's house distance to the park = 43 miles

Lorretta's house distance to Jamal's house = 31 miles

Therefore,

distance of Jamal's' house to the park =  43 - 31

distance of Jamal's' house to the park = 12 miles

learn more on distance in miles here: brainly.com/question/13835201

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Answer:

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Step-by-step explanation:

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3 0
4 years ago
manager needs to buy chairs for his office the price for 1 chair is 79.99 dollars. If the manager buys 2 or more chairs then he
artcher [175]
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3 years ago
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Gala2k [10]
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galben [10]

Answer:

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4 0
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