Question

Resolva as expressões :
3 (y+2) +4y
-3 (3+z) + 2z

Answer 1

Resposta:

3(y+2)+4y

=3y +6+4y

7y=-6

-3(3+z)+2z

-9-3z+2z

z=9

Answer 2

Resposta:

3(y+2)+4y

=3y +6+4y

7y=-6

-3(3+z)+2z

-9-3z+2z

z=9