Question

zapisz w prostrzej posaci;

-5a+7b+6a=

6b-6a+2b=

4*7y=

12y:6=

(--8y)*0,5=

Wykonaj działania: a)

3(2a-7)=

b)(-d+3)*(-1)=

c)(8c+2):2=

d)-0.5(5b-1)=

Answer 1

-5a+7b+6a= a+7b

6b-6a+2b=8b-6a

4*7y=28y

12y:6=2y

(-8y)*0,5=-4y

 

a)3(2a-7)=6a-21

b)(-d+3)*(-1)=d-3

c)(8c+2):2=4c+1

d)-0.5(5b-1)=-2,5b+0,5