Question

14 пример.Помогите пожалуста

Answer 1

2x + 22,6=54,2 2x= 54,2-22,6=31,6 X=31,6:2=15,8

Answer 2

2) (68.37-y):6.15=8.2
(68.37-y) =8.2 * 6.15
68.37-y= 50.43
y = 68.37-50.43
y = 17.94
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4) 60.8 : ( 5.3x - 2.15 ) = 5
60.8 : 5 = 5.3x - 2.15
12.16 = 5.3x - 2.15
12.16 + 2.15 = 5.3x
14.31 = 5.3x
x = 14.31 : 5.3
x = 2.7
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