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Alex
3 years ago
9

What is the solution to the system of equations y= -3x+6 y=9

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
4 0

Answer:

<h2>C. (-1, 9)</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}y=-3x+6\\y=9\end{array}\right\ \text{put the value of}\ y\ \text{to the first equation}\\\\9=-3x+6\qquad\text{subtract 6 from both sides}\\3=-3x\qquad\text{divide both sides by (-3)}\\-1=x\to x=-1

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