Х-10=4
х=20+4
х=14
х*3=3
х=3:3
х=1
60 - 25 = 35
40 - 16 = 24
30 - 19 = 11
50 - 15 = 35
60 + 35 = 95
80 - 42 = 38
59 + 30 = 89
50 - 16 = 34
70 - 35 = 35
80 - 54 = 26
50 + 32 = 82
90 - 45 = 45
<span>3х^-9х=0
выносим за скобки х
x(3x - 9) = 0
1) x = 0
2) 3x - 9 = 0
3x = 9
x=3
</span>