To determine how many solutions the system of equations has, we can simplify and analyze the given equations:
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The first equation is: \[ -5x + y = -18 \] This can be rewritten as: \[ y = 5x - 18 \]
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The second equation is: \[ 10x - 2y = 36 \] We can simplify this by dividing the entire equation by 2: \[ 5x - y = 18 \] This can be rewritten as: \[ y = 5x - 18 \]
Now we observe that both equations can be expressed as: \[ y = 5x - 18 \]
Since both equations represent the same line, they intersect at every point on that line. Therefore, the system has infinitely many solutions.
The correct response is: infinite.