Question

Упростить:
12,5x+y-(8x-5y-(-10x+(5,5-6y)))
Помогите!!!!

Answer 1

=12,5х+у-(8х-5у+10х-5,5+6у)=12,5х+у-8х+5у-10х+5,5-6у= -5,5х+5,5=-5,5*(х-1)

Answer 2

12,5x+y-(8x-5y-(-10x+(5,5-6y)))=12.5х+у-8х-5у+10х+5.5-6у=(12.5х-8х+10х)+(у-5у-6у)+5.5=14.5х-12у+5.5