chloe176 chloe176

29-01-2018
Mathematics

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Please answer nehjdhdhe

Please answer nehjdhdhe class=

Respuesta :

29-01-2018

Hello!!

We know y = 7 + x. Substitute this into our other equation,

2x = (x + 7) - 10
2x = x - 3
x = -3

Now, we know that x = -3 so, we can conclude that the answer is choice B.

Hope this helps!! Let me know if you have ANY questions.

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