5 + 10(-10x - 9) = -35 - 100x - 90 = -3-100x - 85 = -3-100x = 82x = -82/100x = -0.82
Ответ: x = -0.82.
5 + 10(-10x - 9) = -3
5 - 100x - 90 = -3
-100x - 85 = -3
-100x = 82
x = -82/100
x = -0.82
Ответ: x = -0.82.