Помогите
196. a) 2x + 7 = 0;
6) 7x + 2 = 0;
b) 8x - 4 = 0;
r) 4x + 8 = 0.
196. a) 2x + 7 = 0;
6) 7x + 2 = 0;
b) 8x - 4 = 0;
r) 4x + 8 = 0.
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Ответ:
2х+7=0
2х=7+0
х=7/2
х=3,5
7х+2=0
7х=2+0
х=2/7
х=2
7
8х-4=0
8х=4+0
х=4/8
х=1
2
4х+8=0
4х=8
х=8/4
х=2
Пошаговое объяснение:
Ответ:
1)x= -3,5
2)x= -2/7
3)x=1/2
4)x= -2