1/3[-(5-1)/2]+5=1-(5-x)/5等于多少

问题描述:

1/3[-(5-1)/2]+5=1-(5-x)/5等于多少

1/3[-(5-1)/2]+5=1-(5-x)/5
1/3[-2]+5=1-1+x/5
1/3[-2]+5=1-1+x/5
-2/3+5=x/5
x/5=13/3
x=65/3