Respuesta :

Answer:

5

Step-by-step explanation:

4x-9y= -1

so change 4x-9y to 1 in

6+(-1) = 5

Answer:

4x-9y=-1

4x=-1+9y

Step-by-step explanation:

6+4x-9y

6+(-1+9y)-9y

6-1+9y-9y

5+0

5

ACCESS MORE
EDU ACCESS
Universidad de Mexico