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solve the system of equations -8x+7y=6 and 3x-2y=4 by combining the equations

Sagot :

Yang100

Answer:

x=8, y=10. (8, 10).

Step-by-step explanation:

-8x+7y=6

3x-2y=4

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2(-8x+7y)=2(6)

7(3x-2y)=7(4)

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-16x+14y=12

21x-14y=28

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5x=40

x=40/5

x=8

3(8)-2y=4

24-2y=4

2y=24-4

2y=20

y=20/2

y=10

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