Respuesta :

jnfrengrn12

Answer:

I got 90

Please correct me If I am wrong Please and Thank You

Step-by-step explanation:

Combine like terms 70 and 10 which will be 60

and Combine like terms  and you get 30

Then you add 60+30= 90

Answer: 60=30

Step-by-step explanation:

70-10= -40=10

  60  =    30