Question 334067
2x+1<(1-x)/3
..
multiply by 3
{{{3*(2x+1)< (1-x)/3 *3}}}
6x+3<1-x
add x to both sides
6x+x+3<1-x+x
7x+3<1
add -3 to both sides
7x+3-3<1-3
7x<-2
divide by 7
7x/7 < -2/7
{{{ x< -2/7}}}