Question

1.) 20,1x-1,1=4(10-5,25x); 2.) 19x-0.4=2(32x-5)+0.6.

Answer 1

$1)\20,1x-1,1=4(10-5,25x ) \ 20,1x-1,1=40-21x\ 20,1x+21x=40+1.1\ 41.1x=41.1\ x=1\\2)\ 19x-0.4=2(32x-5)+0.6\ 19x-0.4=64x-10+0.6\ 19x-64x=-10+0.6+0.4\ -45x=-9\ 45x=9\ x=0.2$

Answer 2

Почему рейтинг снизили?