Question 1020375

here are the steps:
given 
1. A number: let it be {{{x}}}
2.times 2: will be {{{2x}}}
3.increased by 7:will be {{{2x+7}}}
4.is 31: {{{2x+7=31}}}equation

{{{2x+7=31}}} .........solve for {{{x}}}

{{{2x=31-7}}}

{{{2x=24}}}

{{{x=24/2}}}

{{{x=12}}}