Answer:
it's 12
Step-by-step explanation:
2 and 2/5 divide by 1/5 is 12
x=-2, y=-4. (-2, -4).
2x-y=0
y=x-2
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2x-(x-2)=0
2x-x+2=0
x+2=0
x=0-2
x=-2
y=-2-2=-4
The answer is true.