Answer:
x=4, y=3. (4, 3).
Explanation:
-3y=-2x-1
y=x-1
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-3(x-1)=-2x-1
-3x+3=-2x-1
-3x-(-2x)+3=-1
-3x+2x=-1-3
-x=-4
x=4
y=4-1=3
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