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Illusion [34]
2 years ago
6

Solve the system of equations and choose the correct answer from the list of

Mathematics
1 answer:
Leya [2.2K]2 years ago
4 0

Answer:

x = -19/2      y = -33/2

Step-by-step explanation:

x - (3x + 12) = 7

x - 3x - 12 = 7

-2x - 12 = 7

-2x = 19

x = -19/2

x - y = 7

-19/2 - y = 7

-y = 33/2

y = -33/2

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3 years ago
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Alisiya [41]
The answer is <span>2(–4y + 13) – 3y = –29

Step 1: Express </span><span>x from the second equation
Step 2: Substitute x into the first equation:

The system of equations is:
</span><span>2x – 3y = –29 
x + 4y = 13

Step 1: 
</span>The second equation is:    x + 4y = 13
Rearrange it to get x:         x = - 4y + 13

Step 2:
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The second equation is:    x = - 4y + 13
Substitute x from the second equation into the first one:
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Therefore, the second choice is correct.
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4 years ago
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