当X是什么数时,式子3分之X-1的值比式子X+2分之1的值小3?

来源：学生作业帮助网编辑：六六作业网时间：2024/12/25 22:35:22

当X是什么数时,式子3分之X-1的值比式子X+2分之1的值小3?当X是什么数时,式子3分之X-1的值比式子X+2分之1的值小3?当X是什么数时,式子3分之X-1的值比式子X+2分之1的值小3?根据题意

当X是什么数时,式子3分之X-1的值比式子X+2分之1的值小3?
当X是什么数时,式子3分之X-1的值比式子X+2分之1的值小3?

当X是什么数时,式子3分之X-1的值比式子X+2分之1的值小3?
根据题意：(x-1)/3+3=1/(x+2)
化简得：x^2+10x+13=0 (x+2≠0)
解得：x=-5±2×√3

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