Each branch of power performs its own functions. What does each branch of power/each instituttun do? Review the functions each branch of

1)4*х=28*10
  4х=280
  х=280:4
  х=70
2) х:4=10+28
   х:4=38
  х=38*4
  х=152
3) 5*х=125:5
   5х=25
   х=25:5
  х=5
4) 266:х=100-93
   266:х=7
  х=266:7
  х=38

70280/4
15238*4
5125/5=25значит 5*5=25
38100-93=7...значит 266/7=38