To solve the equations:
1) 16×25 - 28x = 612 ÷ 3=> 400 - 28x = 204=> -28x = -196=> x = 7
2) 27:x + 405:9 = 48=> 27/x + 45 = 48=> 27/x = 3=> x = 9
Therefore, the solution for the equations are x = 7 and x = 9.
To solve the equations:
1) 16×25 - 28x = 612 ÷ 3
=> 400 - 28x = 204
=> -28x = -196
=> x = 7
2) 27:x + 405:9 = 48
=> 27/x + 45 = 48
=> 27/x = 3
=> x = 9
Therefore, the solution for the equations are x = 7 and x = 9.