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SVEN [57.7K]
3 years ago
8

Can someone check this please?

Mathematics
2 answers:
OlgaM077 [116]3 years ago
6 0

You got it right :)

Hope this helps

-AaronWiseIsBae

Tanzania [10]3 years ago
5 0
First ones correct so option A
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Step-by-step explanation:

Step: Solvey=5x+7for y:

Step: Substitute5x+7 for y in 3x+y=−9:

3x+y=−9

3x+5x+7=−9

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8x/8=−16/8

(Divide both sides by 8)

x=−2

Step: Substitute−2 for x in y=5x+7:

y=5x+7

y=(5)(−2)+7

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