Question

Задачу не надо.
СРОЧНО ПОЖАЛУЙСТА

Answer 1

а) –3(y+2)+2(y–1)=-3y–6+2y–2=–y–8

б)8x–(2x+5)+(x–1)=8x–2x-5+x–1=7x–6

в)13b-(9b-(8b-(6-b)))=13b-(9b-9b+6)=13b-6

–5(0,6c–1,2)–1,5c–3=–3c+6–1,5c–3=–4,5c+3

c=4/5, –4,5*4/5+3=–3/5=–0,6