Question 748973


{{{-7x+11<9x-21}}}....add {{{7x}}} to both sides


{{{-7x+7x+11<9x+7x-21}}}

{{{-cross(7x)+cross(7x)+11<16x-21}}}

{{{11<16x-21}}}.....add {{{21}}} to both sides

{{{11+21<16x-21+21}}}

{{{32<16x-cross(21)+cross(21)}}}

{{{32<16x}}}

{{{32/16<x}}}

{{{2<x}}} or {{{x>2}}}