Ответ:
Пошаговое объяснение:
1)
(x + 38) - 59 = 125
x - 21 = 125
x = 125 + 21
x = 146
2)
3(x + 15) = 186
3x + 45 = 186
3x = 186 - 45
3x = 141
x = 47
3)
2x + 3x + 16 = 51
5x = 51 - 16
5x = 35
x = 7
4)
х : 4 + 5 = 16
х : 4 = 16 - 5
х : 4 = 11
х = 11 · 4
х = 44
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Answers & Comments
Ответ:
Пошаговое объяснение:
1)
(x + 38) - 59 = 125
x - 21 = 125
x = 125 + 21
x = 146
2)
3(x + 15) = 186
3x + 45 = 186
3x = 186 - 45
3x = 141
x = 47
3)
2x + 3x + 16 = 51
5x = 51 - 16
5x = 35
x = 7
4)
х : 4 + 5 = 16
х : 4 = 16 - 5
х : 4 = 11
х = 11 · 4
х = 44