Sagot :
[tex]12x+1\ \textless \ 3+5x \\ 12x-5x+1\ \textless \ 3+5x-5x \\ 7x+1\ \textless \ 3 \\ 7x+1-1\ \textless \ 3-1 \\ 7x\ \textless \ 2 \\ x\ \textless \ \frac{2}{7} [/tex]
12x+1<3+5x
Subtract both sides by 5x
7x+1<3
Subtract both sides by 1
7x<2
Divide both sides by 7
[tex]x=\frac{2}{7}[/tex]
Hope this helps =)
Subtract both sides by 5x
7x+1<3
Subtract both sides by 1
7x<2
Divide both sides by 7
[tex]x=\frac{2}{7}[/tex]
Hope this helps =)