Question

Найти корень уравнения -6=-9(7+х)+4

Answer 1

$- 6 = - 9(7 + x) + 4 \\ - 6 = - 63 - 9x + 4 \\ 9x = 4 - 63 + 6 \\ 9x = - 53 \\ x = ( - 53) \div 9 \\ x = - \frac{53}{9} = - 5 \times \frac{8}{9} .$
ответ : х = -5 8/9.

Удачи))))

Answer 2

$- 6 = - 9(7 + x) + 4 \\ \\ - 6 = - 63 - 9x + 4 \\ \\ - 6 = - 59 - 9x \\ \\ 9x = - 59 + 6 \\ \\ 9x = - 53 \\ \\ x = - \frac{53}{9} = - 5 \frac{8}{9}$