y+10 = 2y-5.6 so get both y values to the same side -y+10=-5.6 then subtract 10 from both sides and get -y=-15.6 multiply by -1 to find out that y=15.6 then plug it into the equation of 2y-5.6 and simplify to 2(15.6)-5.6 and that should be the answer
