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3 years ago

Can someone pls help me with this

Mathematics

1 answer:

wolverine [178]3 years ago

6 0

Hope u can see the pic!

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Lunna [17]

Answer:

x = 3

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Step-by-step explanation:

multiply by -1 the second equation and add the two equations

$7x-7y=7\\4x+7y=26$

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$x=33/11$

$x=3$

"y" is calculated:

$7(3)-7y=7$

$21-7y=7$

$-7y=-14$

$y=\frac{-14}{-7} =2$

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3 years ago

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3 years ago

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3 years ago

Read 2 more answers