Question 22445
It might be nice to start by multiplying both sides by 10 to clear the fraction AND the decimals.


{{{r/10+1.1=0.2}}}

{{{10*(r/10)+10* 1.1=10*0.2}}}
{{{r + 11 = 2 }}}
{{{ r = -9}}}


R^2 at SCC