Question

0,3х-2(0,7х+0,5у)+1/10х при х=-11,125

Answer 1

0,3х-2(0,7х+0,5у)+1/10х =0,3x-1,4x-y+0,1x=-x-y

при x =-11,125
-(-11,125)-y = 11,125-y

Answer 2

ответь:
-х+у=-(-11.125+у)=11.125-у