Теңдеулерді шеш:30 +х = 39 39 - х = 9 х - 9 = 30

Question

Теңдеулерді шеш:30 +х = 39 39 - х = 9 х - 9 = 30

Comments

30+×=39 ×=39-30 ×=9 30+9=39

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39-×=9 ×=39-9 ×=30 39-30=9

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×-9=30 ×=30+9 ×=39 ×=39-9=30

Answer 1

30+х=39
х=39-30
х=9

39-х=9
х=39-9
х=30

х-9=30
х=30+9
х=39

Comments

большое спасибо

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неза чт0##