3 years ago

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

Mathematics

1 answer:

GarryVolchara [31]3 years ago

7 0

Answer:

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

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