Question

simplifique as expressões algebricas: a) 7×+4×=
b)9z-4z+2=
c) y+3+6y-17=
d) 5a+7a 2+2a-4a 2=
e)9-b+5-3b+4y=​

Answer 1

Resposta:

a) 28

b) 5z +2

c) 7y - 14

d) 10a +4

e) -4b + 4y +14