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Katen [24]
2 years ago
7

I need help with this any help will be appreciated

Mathematics
1 answer:
Mars2501 [29]2 years ago
7 0
Are you trying to solve for x and y?

y=2x+1; x+2y=17
sub in one variable in the other equation.
x+2(2x+1)=17
x+4x+2=17
5x=15
x=3

now that you have x value, plug into the original equation to find y and check with the other. 
y=2(3)+1 = 7
x+2y=17 = 3 + 2(7) = 17 ; 17=17 
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Answer:

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3 0
3 years ago
Could someone help me
Mekhanik [1.2K]

Answer:

the third one and the last one is correct

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just replace the points (-1,7) into each equation. if it doesn't work then move on to the next one. if it does work, then use that same equation except this time to the coordinates (2,4)

5 0
3 years ago
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shusha [124]
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4 0
2 years ago
Solve the system of equations by elimination. Show your work. i’ll give brainliest
My name is Ann [436]

Answer:

x = 5

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Step-by-step explanation:

multiply the second equation by -1 and add the first equation to eliminate "x"

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Replace "y" in the first equation:

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Hope this helps

5 0
2 years ago
Read 2 more answers
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