Question

5-1/2(2x-6)=3(3-x) пожалуйста решите

Answer 1

Ответ:

$5 - \frac{1}{2} \times (2x - 6) = 3 \times (3 - x) \\ 5 - \frac{1}{2} \times 2 \times (x - 3) = 9 - 3x \\ 5 - (x - 3) = 9 - 3x \\ 5 - x + 3 = 9 - 3x \\ 8 - x = 9 - 3x \\ - x + 3x = 9 - 8 \\ 2x = 1 \\ x = \frac{1}{2} = 0.5$