Respuesta :

Just add 70 and 30 together and then subtract it from 180
70+30+x=180 100=180 subtract 100 from 180 and x=80 and to check this just add 70+30+80=180 it checks out
Hope this helps have a nice day

Answer:Just add 70 and 30 together and then subtract it from 180  

70+30+x=180 100=180 subtract 100 from 180 and x=80 and to check this just add 70+30+80=180 it checks out

Hope this helps have a nice day

Step-by-step explanation: