Упростите выражения

1,1x+1,3*(2x-4)

x + 4,5x + 9*(x+5,2)

7,1*(x+0,2)+1,8

 

1) 1,1x+ 2.6x-5.2=3.7x-5.2

2) x+4.5x+9x+46.8=14.5x+46.8

3) 7.1x+1.42+1.8=7.1x+3.22

1,1x+1,3*(2x-4)=1,1х+2,6х-5,2=3,7х-5,2x + 4,5x + 9*(x+5,2)=5,5х+9х+46,8=14,5х+46,87,1*(x+0,2)+1,8=7,1х+1,42+1,8=7,1х+3,22