Answer:
8
Step-by-step explanation:
o989
Answer:
140
Step-by-step explanation:
30+30=60
40+40=80
60+80=140
Answer:
<u><em>c = 20</em></u>
Step-by-step explanation:
c + 72 = 92
subtract both sides by 72
<u><em>c = 20</em></u>
Answer:
There is no x in this equation
Step-by-step explanation: