Question 152708
{{{5+2x<15}}} Start with the given inequality.



{{{5+2*(7)<15}}} Plug in {{{x=7}}}.



{{{5+14<15}}} Multiply



{{{19<15}}} Add.



Since the inequality is <b>not</b> true, this means that {{{x=7}}} is <b>not</b> a solution.