x+x=0,125+x:(0,5+0,25+0,75)=1/2
x+x=0,125+ x:1,5 =1/2
x+x= x:1,5 =1/2-0,125
x+x= x:1,5 =0,375
x+x= x =0,375x1,5
x+x= x = 0,5625
x+x=0,5625x2
x+x=1,125
=x*1+x:0,125+x:0,5+x:0,25-x:0,75=1/2
=x*[1+0,125+0,5+0,25-0,75]=1/2
=x*0,125=1/2
=x =1/2*0,125
x=0.0625