2 – 2(10 – x) = 2(x – 10) + 10.

Question

2 – 2(10 – x) = 2(x – 10) + 10.

Answer 1

2-2(10-x)=(x-10)+10
2-20-2x=x-10+10
-18-2x=x
-2x-x=18
-3x=18
x=-6
Ответ:-6

Answer 2

2-2(10-x)=2(x-10)+10
2-(20-2x)=(2x-20)+10
2-20+2x=2x-20+10
2-20+2x-2x+20-10=0
Ответ: нет решений