设y1=3y+1/3,y2=4-3y/6,若y1+3y2=-1/6,求y的值
2个回答
y = -5/3
因为y1+3y2=-1/6
所以3y+1/3 + 3(4-3y/6)= -1/6.
所以y = -5/3
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