А) 14x + 27x = 656;
41x = 656;
x = 656/41;
x = 16.
Б) 81y - 38y = 645;
43y = 645;
y = 645/43;
y = 15;
В) 49z - z =384;
48z = 384;
z = 384/48;
z = 8.
Г) 102k - 4k = 1960;
98k = 1960;
k = 1960/98;
k = 20.
Пошаговое объяснение:
14x+27x=656
41x=656
x=656:41
x=16
81y-38y=645
43y=645
y=645:43
y=15
49z-z=384
48z=384
z=384:48
z=8
102k-4k=1960
98k=1960
k=1960:98
k=20
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Answers & Comments
А) 14x + 27x = 656;
41x = 656;
x = 656/41;
x = 16.
Б) 81y - 38y = 645;
43y = 645;
y = 645/43;
y = 15;
В) 49z - z =384;
48z = 384;
z = 384/48;
z = 8.
Г) 102k - 4k = 1960;
98k = 1960;
k = 1960/98;
k = 20.
Пошаговое объяснение:
14x+27x=656
41x=656
x=656:41
x=16
81y-38y=645
43y=645
y=645:43
y=15
49z-z=384
48z=384
z=384:48
z=8
102k-4k=1960
98k=1960
k=1960:98
k=20