Упростите...

Question

Упростите вырожения

1)3в-(5а-7в)=

2)5х+(11-7х)=

3)-3q-(8р-3q)=

4)-(8с-4)+4=

5)(2+3а)+(а-2)=

6)-(-2а-4)-(3+5а)=

7)(5-3в)+(-3в-11)=

8)а+(а-10)-(12+а)=

9)х+(а-в)-(с-d)=

10)d-(а+в)-(с-d)=

Answer 1

1)3в-5а+7в=10в-5а=5(2в-а)
2)5х+11-7х=-2х+11

Comments

3)-3q-(8p-3q)=-3q-8p+3q=-8p

---

4)=-8c+8; 5)=2+3a+a-2=4a