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Nastunshechka
@Nastunshechka
July 2022
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Решить уравнения:
А) 4,7У-(2,5У+12,4)=1,9
б) (9,2-m)*3,2=16
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Krajushka
Verified answer
А) (раскрываем скобки) 4,7у - 2,5у - 12,4 = 1,9
2,2у - 12,4 = 1,9
2,2у = 12,4+1,9
2,2у = 14,3
у = 14,3:2,2
у = 6,5
б) 9,2 - m = 16 : 3,2
9,2 - m = 5
m = 9,2 - 5
m = 4,2
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Answers & Comments
Verified answer
А) (раскрываем скобки) 4,7у - 2,5у - 12,4 = 1,92,2у - 12,4 = 1,9
2,2у = 12,4+1,9
2,2у = 14,3
у = 14,3:2,2
у = 6,5
б) 9,2 - m = 16 : 3,2
9,2 - m = 5
m = 9,2 - 5
m = 4,2