Graphing

Graphing

Question: - Solve the system by graphing. Tell whether the system has one? solution, infinitely many; solutions, or no solution. -3x-y=9 3x-9=3.

Given: -3x-y=9, also 3x-9=3 or 3x=12 or x=4
or y=9+3x
or y=9+3*4
or y= 9+12
or y=21
Therefore, the values of the coordinates have been found.
Ans: Coordinates of the line (x=4; y=21)

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