Ответ:
Пошаговое объяснение:
1) (63 - 5x) : a = 6 при а= 3;
(63 - 5x) : 3 = 6
63-5x = 6*3
63-5x = 18
5x = 63 - 18
5x = 45
x = 45 : 5
x = 9
2) b: (38х - 95) = 7 при b= 133;
133 : (38x- 95) = 7
38x - 95 = 133:7
38x - 95 = 19
38x = 19 + 95
38x = 114
x = 114:38
x = 3
3) 15* (с - 8x) = 75 при c = 53;
15 * (53 - 8x) = 75
53 - 8x = 75 : 15
53 - 8x = 5
8x = 53 - 5
8x = 48
x = 48 : 8
x = 6
4) (6x - d) - 8 = 104 при d = 29.
(6x - 29) - 8 = 104
6x - 29 = 104 + 8
6x - 29 = 112
6x = 112+29
6x = 141
x = 141:6
x = 23,5
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Answers & Comments
Ответ:
Пошаговое объяснение:
1) (63 - 5x) : a = 6 при а= 3;
(63 - 5x) : 3 = 6
63-5x = 6*3
63-5x = 18
5x = 63 - 18
5x = 45
x = 45 : 5
x = 9
2) b: (38х - 95) = 7 при b= 133;
133 : (38x- 95) = 7
38x - 95 = 133:7
38x - 95 = 19
38x = 19 + 95
38x = 114
x = 114:38
x = 3
3) 15* (с - 8x) = 75 при c = 53;
15 * (53 - 8x) = 75
53 - 8x = 75 : 15
53 - 8x = 5
8x = 53 - 5
8x = 48
x = 48 : 8
x = 6
4) (6x - d) - 8 = 104 при d = 29.
(6x - 29) - 8 = 104
6x - 29 = 104 + 8
6x - 29 = 112
6x = 112+29
6x = 141
x = 141:6
x = 23,5