1) x * 6 = 24
x = 24/6
x = 4
2) x - 7 = 13
x = 13 + 7
x = 20
3) 12 - x = 6
x = 12 - 6
x = 6
4) 4 * x = 28
x = 28/ 4
x = 7
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Answers & Comments
2)7+13=20
3)12+6=18
4)28:4=7
и так 1)4 2)20 3)18 и 4)7
1) x * 6 = 24
x = 24/6
x = 4
2) x - 7 = 13
x = 13 + 7
x = 20
3) 12 - x = 6
x = 12 - 6
x = 6
4) 4 * x = 28
x = 28/ 4
x = 7