Question 301026
x and x+2
{{{(x-12)+(x+2-12)=8}}}
{{{(x-12)+(x-10)=8}}}
{{{2x-22=8}}}
{{{2x=30}}}
{{{x=15}}}
{{{15+2=17}}}
15 and 17 are the ages of the 2 sisters
12 years ago they were 3 and 5, 3+5=8 checked.