Question

7x+x-3<2(3x+5) solução da inequação

Answer 1

$7x+x-3\ \textless \ 2*(3x+5) \\ 8x-3\ \textless \ 2*3x+2*5 \\ 8x-3\ \textless \ 6x+2*5 \\ 8x-3\ \textless \ 6x+10 \\ 8x-6x\ \textless \ 10+3 \\ 2x\ \textless \ 10+3 \\ 2x\ \textless \ 13 \\ x\ \textless \ 13/2 \\ x\ \textless \ \frac{13}{2}$