PLEASE HELP ASAP 25 PTS + BRAINLIEST FOR RIGHT/BEST ANSWER

Mathematics

1 answer:

kherson [118]3 years ago

8 0

$\left\{\begin{array}{ccc}x=3y+9&\text{substitute it to the second equation}\\9-x=-3y\end{array}\right\\\\9-(3y+9)=-3y\\\\9-3y-9=-3y\qquad\text{add 3y to both sides}\\\\9-9=0\\\\0=0\qquad\mathbb{TRUE}\\\\Answer:\ \boxed{infinite\ solutions}$

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Picture Explanation:

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