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1 vote
3x + y = -9
y=1 - 3x

1 Answer

7 votes

Answer:


3x + (1 - 3x) = - 9 \\ since \: y \: = 1 - 3x \\ 3x + 1 - 3x = - 9 \\ 0 = - 9 - 1 \\ 0 = 10

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User Ritesh Singh
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