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24-01-2018
Mathematics

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1 multiple choice question, explain your answer !!

1 multiple choice question explain your answer class=

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Аноним Аноним

24-01-2018

ANSWER:
(y + 5) + y = 6 (second option)

EXPLANATION:
From the given system of equation. we substitute the second equation x = y + 5 in the first equation x + y = 6 to get

x + y = 6
>> (y + 5) + y = 6

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