Помогите, пожалуйста
a) 25. - 100 = 0;
б) 100x + 25 = 0;
b) -200x + 100 = 0;
r) 200x - 100 = 0.
a) 25. - 100 = 0;
б) 100x + 25 = 0;
b) -200x + 100 = 0;
r) 200x - 100 = 0.
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Ответ:
1)25x-100=0
25x=100
x=4
2)100x+25=0
100x=-25
x=-0.25
3)-200x+100=0
200x=100
x=0.5
4)200x-100=0
200x=100
x=0.5