Упростите выражение, пж)))

Question

Упростите выражение, пж)))

---

Answer 1

0.3×(6х+8)-2.7+4.5х=1.8х+2.4-2.7=4.5х=1.8х+4.5х+2.4-2.7=6.3х-0.3

3.2×(5-4у)-у+6.7=16-12.8у-у+6.7=16+6.7-12.8у-у=22.7-13.8у

(2.7а-6)+(7-5.3а)=2.7а-6+7-5.3а=2.7а-5.3а-6+7=2.6а+1

(12-8.2в)-(8+10.8в)=12-8.2в-8-10.8в=12-8-8.28в-10.8в=4-19.08в