Question

1-3(x-5)=7(3-2x)

даю 20 балов за цю роботу ​

Answer 1

1-3x+15=21-14x
-3x+14x=-15-1+21
9x=5
X=5/9

Answer 2

1 - 3 · (x - 5) = 7 · (3 - 2x)

1 - 3x + 3 · 5 = 7 · 3 - 7 · 2x

1 - 3x + 15 = 21 - 14x

16 - 3x = 21 - 14x

- 3x + 14x = 21 - 16

11x = 5

x = 5/11

Ответ: x = 5/11.