П+6п-5=72 25x+9x=1394

Question

П+6п-5=72 25x+9x=1394

Answer 1

7п=77
п=11
34x=1394
x=41

Answer 2

П+6п-5=72
п+6п=72+5
7п=77
п=77:7
п=11
11+6*11-5=72
72=72

25х+9х=1394
34х=1394
х=1394:34
х=41
25*41+9*41=1394
1394=1394