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18x - 77=1 X - 7y=-33
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6 votes
18x - 77=1
X - 7y=-33

User Have A Nice Day
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1 Answer

5 votes

Answer:

x=-33+7y

then putting value of x

18(-33+7y)-77=1

-594+126y-77=1

-671+126y=1

126y=670

y=670/126

User Dqthe
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