1) 5x – 15 = 0
5x = 15
x = 15 / 5 = 3
ответ: x = 3
2) 9x = 45
x = 45 / 9 = 5
ответ: x = 5
3) –3x = 3
x = 3 / (–3) = –1
ответ: x = –1
4) 7х + 14 = 0
7x = –14
x = –14 / 2 = –2
ответ: x = –2
5) 6х = –5
x = –5/6
ответ: x = –5/6
1) 5x – 15 = 0
5x = 15
x = 15 / 5 = 3
ответ: x = 3
2) 9x = 45
x = 45 / 9 = 5
ответ: x = 5
3) –3x = 3
x = 3 / (–3) = –1
ответ: x = –1
4) 7х + 14 = 0
7x = –14
x = –14 / 2 = –2
ответ: x = –2
5) 6х = –5
x = –5/6
ответ: x = –5/6