3 years ago

Solve the given system, using the substitution method. y = 3x – 4 9x – 3y = 14

1 answer:

5 0

$y=3x-4 \\
9x-3y=14 \\ \\
\hbox{substitute 3x-4 for y in the 2nd equation:} \\
9x-3(3x-4)=14 \\
9x-9x+12=14 \\
12=14 \\
not \ true \\ \\
\boxed{\hbox{no solution}}$

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